diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index d9662c953..0da21d0cd 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -29,16 +29,11 @@ jobs:
       - name: 🐦 Setup Flutter
         uses: subosito/flutter-action@48cafc24713cca54bbe03cdc3a423187d413aafa
         with:
-          flutter-version: "3.24.1"
+          flutter-version: "3.27.1"
           channel: stable
           cache: true
           cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
 
-      - name: 🤫 Set SSH Key
-        uses: webfactory/ssh-agent@fd34b8dee206fe74b288a5e61bc95fba2f1911eb
-        with:
-          ssh-private-key: ${{secrets.SSH_PRIVATE_KEY}}
-
       - name: 📦 Install Dependencies
         run: flutter pub get
 
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 1d0e79c27..7d8e045f4 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -45,15 +45,18 @@ linter:
     - avoid_unused_constructor_parameters
     - avoid_void_async
     - await_only_futures
+    - camel_case_extensions
     - camel_case_types
     - cancel_subscriptions
     - cascade_invocations
     - close_sinks
     # - comment_references
+    - collection_methods_unrelated_type
     - constant_identifier_names
     - control_flow_in_finally
     - curly_braces_in_flow_control_structures
     # - directives_ordering
+    - dangling_library_doc_comments
     - empty_catches
     - empty_constructor_bodies
     - empty_statements
@@ -62,13 +65,17 @@ linter:
     - flutter_style_todos
     - hash_and_equals
     - implementation_imports
+    - implicit_call_tearoffs
     - join_return_with_assignment
+    - library_annotations
     - library_names
     - library_prefixes
     # - lines_longer_than_80_chars
     - no_adjacent_strings_in_list
     - no_duplicate_case_values
+    - no_wildcard_variable_uses
     - non_constant_identifier_names
+    - null_check_on_nullable_type_parameter
     - null_closures
     - only_throw_errors
     - overridden_fields
@@ -102,8 +109,10 @@ linter:
     - prefer_single_quotes
     - prefer_typing_uninitialized_variables
     - prefer_void_to_null
+    - provide_deprecation_message
     - public_member_api_docs
     - recursive_getters
+    - secure_pubspec_urls
     - slash_for_doc_comments
     - sort_constructors_first
     # - sort_pub_dependencies
@@ -111,6 +120,7 @@ linter:
     - test_types_in_equals
     - throw_in_finally
     - type_init_formals
+    - type_literal_in_constant_pattern
     - unawaited_futures
     - unnecessary_await_in_return
     - unnecessary_brace_in_string_interps
@@ -128,6 +138,7 @@ linter:
     - use_rethrow_when_possible
     - use_setters_to_change_properties
     - use_string_buffers
+    - use_string_in_part_of_directives
     - use_to_and_as_if_applicable
     - valid_regexps
     - void_checks
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 793b16dfe..d2bad10c9 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -18,14 +18,14 @@ dependencies:
   pref: ^2.7.1
   flutter_deriv_api:
     git:
-      url: git@github.com:deriv-com/flutter-deriv-api.git
+      url: https://github.com/deriv-com/flutter-deriv-api.git
       ref: v1.3.0
   win32: ^5.9.0
 
 dev_dependencies:
   deriv_lint:
     git:
-      url: git@github.com:regentmarkets/flutter-deriv-packages.git
+      url: https://github.com/deriv-com/flutter-deriv-packages.git
       path: packages/deriv_lint
       ref: dev
   flutter_test:
diff --git a/lib/src/add_ons/drawing_tools_ui/distance_constants.dart b/lib/src/add_ons/drawing_tools_ui/distance_constants.dart
index 92e53b5a0..6301058e9 100644
--- a/lib/src/add_ons/drawing_tools_ui/distance_constants.dart
+++ b/lib/src/add_ons/drawing_tools_ui/distance_constants.dart
@@ -1,6 +1,5 @@
 /// This involves calculating the distance from the marker to its
 /// edges for the purpose of creating lines ( horizontal , line drawing tool)
-
 class DrawingToolDistance {
   /// horizontal distance
   static const double horizontalDistance = 99999;
diff --git a/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_config_mobile.dart b/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_config_mobile.dart
index 3d11f9e71..084740fb3 100644
--- a/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_config_mobile.dart
+++ b/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_config_mobile.dart
@@ -6,6 +6,7 @@ import 'package:deriv_chart/src/add_ons/drawing_tools_ui/line/line_drawing_tool_
 import 'package:deriv_chart/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/drawing_pattern.dart';
 import 'package:deriv_chart/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/edge_point.dart';
 import 'package:deriv_chart/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/point.dart';
+import 'package:deriv_chart/src/misc/extensions.dart';
 import 'package:deriv_chart/src/theme/colors.dart';
 import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/material.dart';
@@ -121,7 +122,7 @@ class LineDrawingToolConfigMobile extends DrawingToolConfig {
       return null;
     }
     return {
-      'color': instance.color.value,
+      'color': instance.color.toInt32,
     };
   }
 }
diff --git a/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_label_painter.dart b/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_label_painter.dart
index 78f9b84d8..559de1275 100644
--- a/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_label_painter.dart
+++ b/lib/src/add_ons/drawing_tools_ui/line/line_drawing_tool_label_painter.dart
@@ -45,7 +45,7 @@ class MobileLineDrawingToolLabelPainter extends LineDrawingToolLabelPainter {
       ..strokeWidth = 1.0;
 
     _barrierPaint = Paint()
-      ..color = _style.color.withOpacity(0.2)
+      ..color = _style.color.withValues(alpha: 0.2)
       ..style = PaintingStyle.fill;
   }
 
diff --git a/lib/src/deriv_chart/chart/crosshair/crosshair_line_painter.dart b/lib/src/deriv_chart/chart/crosshair/crosshair_line_painter.dart
index c881328f5..9431bd4a8 100644
--- a/lib/src/deriv_chart/chart/crosshair/crosshair_line_painter.dart
+++ b/lib/src/deriv_chart/chart/crosshair/crosshair_line_painter.dart
@@ -20,9 +20,9 @@ class CrosshairLinePainter extends CustomPainter {
           Offset(0, size.height),
           <Color>[
             // TODO(Ramin): Use theme color when cross-hair design got updated
-            Colors.white.withOpacity(0.1),
-            Colors.white.withOpacity(0.3),
-            Colors.white.withOpacity(0.1),
+            Colors.white.withValues(alpha: 0.1),
+            Colors.white.withValues(alpha: 0.3),
+            Colors.white.withValues(alpha: 0.1),
           ],
           const <double>[
             0,
diff --git a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_closed_indicator_painter.dart b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_closed_indicator_painter.dart
index 917aba39c..77c5e3771 100644
--- a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_closed_indicator_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_closed_indicator_painter.dart
@@ -59,7 +59,7 @@ class AccumulatorsClosedIndicatorPainter
     }
     _linePaint.color = color;
     _linePaintFill.color = color;
-    _rectPaint.color = color.withOpacity(0.08);
+    _rectPaint.color = color.withValues(alpha: 0.08);
 
     final AccumulatorsClosedIndicator indicator = series;
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_indicator_painter.dart b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_indicator_painter.dart
index c5d5ee627..e2e9ed001 100644
--- a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_indicator_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_indicator_painter.dart
@@ -67,7 +67,7 @@ class AccumulatorIndicatorPainter extends SeriesPainter<AccumulatorIndicator> {
     }
     _linePaint.color = color;
     _linePaintFill.color = color;
-    _rectPaint.color = color.withOpacity(0.08);
+    _rectPaint.color = color.withValues(alpha: 0.08);
 
     final AccumulatorIndicator indicator = series;
 
@@ -442,14 +442,14 @@ class AccumulatorIndicatorPainter extends SeriesPainter<AccumulatorIndicator> {
             center.dy,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.64))
+          arrowPaint..color = _paint.color.withValues(alpha: 0.64))
       ..drawPath(
           getUpwardArrowPath(
             center.dx,
             center.dy - arrowSize + 1,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.32));
+          arrowPaint..color = _paint.color.withValues(alpha: 0.32));
   }
 
   void _paintDownwardArrows(
@@ -477,14 +477,14 @@ class AccumulatorIndicatorPainter extends SeriesPainter<AccumulatorIndicator> {
             center.dy,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.64))
+          arrowPaint..color = _paint.color.withValues(alpha: 0.64))
       ..drawPath(
           getDownwardArrowPath(
             center.dx,
             center.dy + arrowSize - 1,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.32));
+          arrowPaint..color = _paint.color.withValues(alpha: 0.32));
   }
 
   void _paintLine(
diff --git a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_recently_closed_indicator_painter.dart b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_recently_closed_indicator_painter.dart
index 930901d03..997cea060 100644
--- a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_recently_closed_indicator_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/accumulators_barriers/accumulators_recently_closed_indicator_painter.dart
@@ -59,7 +59,7 @@ class AccumulatorsRecentlyClosedIndicatorPainter
     }
     _linePaint.color = color;
     _linePaintFill.color = color;
-    _rectPaint.color = color.withOpacity(0.08);
+    _rectPaint.color = color.withValues(alpha: 0.08);
 
     final AccumulatorsRecentlyClosedIndicator indicator = series;
 
@@ -218,7 +218,7 @@ class AccumulatorsRecentlyClosedIndicatorPainter
       final RRect rRect =
           RRect.fromRectAndRadius(dialogRect, const Radius.circular(4));
 
-      _rectPaint.color = color.withOpacity(1);
+      _rectPaint.color = color.withValues(alpha: 1);
       canvas.drawRRect(rRect, _rectPaint);
 
       final Offset winLossPosition = Offset(
diff --git a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/horizontal_barrier/horizontal_barrier_painter.dart b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/horizontal_barrier/horizontal_barrier_painter.dart
index 4e9a8e293..f6af3d1be 100644
--- a/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/horizontal_barrier/horizontal_barrier_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/annotations/barriers/horizontal_barrier/horizontal_barrier_painter.dart
@@ -280,14 +280,14 @@ class HorizontalBarrierPainter<T extends HorizontalBarrier>
             center.dy,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.64))
+          arrowPaint..color = _paint.color.withValues(alpha: 0.64))
       ..drawPath(
           getUpwardArrowPath(
             center.dx,
             center.dy - arrowSize + 1,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.32));
+          arrowPaint..color = _paint.color.withValues(alpha: 0.32));
   }
 
   void _paintDownwardArrows(
@@ -315,14 +315,14 @@ class HorizontalBarrierPainter<T extends HorizontalBarrier>
             center.dy,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.64))
+          arrowPaint..color = _paint.color.withValues(alpha: 0.64))
       ..drawPath(
           getDownwardArrowPath(
             center.dx,
             center.dy + arrowSize - 1,
             size: arrowSize,
           ),
-          arrowPaint..color = _paint.color.withOpacity(0.32));
+          arrowPaint..color = _paint.color.withValues(alpha: 0.32));
   }
 }
 
@@ -368,7 +368,7 @@ class IconBarrierPainter extends HorizontalBarrierPainter<IconTickIndicator> {
       ..drawCircle(
         _barrierPosition!,
         (iconSize / 2) - 2,
-        Paint()..color = Colors.black.withOpacity(0.32),
+        Paint()..color = Colors.black.withValues(alpha: 0.32),
       );
 
     TextPainter(textDirection: TextDirection.ltr)
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indexed_entry.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indexed_entry.dart
index b982c81d3..516a6724f 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indexed_entry.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indexed_entry.dart
@@ -1,6 +1,5 @@
 /// A model class to hold an Entry of type [T] and its index in the whole list
 /// of entries.
-
 class IndexedEntry<T> {
   /// Initializes
   const IndexedEntry(this.entry, this.index);
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/adx_series.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/adx_series.dart
index 6c7674049..91ed675f3 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/adx_series.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/adx_series.dart
@@ -141,9 +141,9 @@ class ADXSeries extends Series {
         positiveDISeries,
         negativeDISeries,
         firstUpperChannelFillColor:
-            config.positiveLineStyle.color.withOpacity(0.2),
+            config.positiveLineStyle.color.withValues(alpha: 0.2),
         secondUpperChannelFillColor:
-            config.negativeLineStyle.color.withOpacity(0.2),
+            config.negativeLineStyle.color.withValues(alpha: 0.2),
       );
     }
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/bollinger_bands_series.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/bollinger_bands_series.dart
index 9eaf0069e..726f7a6de 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/bollinger_bands_series.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/bollinger_bands_series.dart
@@ -122,8 +122,8 @@ class BollingerBandSeries extends Series {
     return ChannelFillPainter(
       upperSeries,
       lowerSeries,
-      firstUpperChannelFillColor: bbOptions.fillColor.withOpacity(0.2),
-      secondUpperChannelFillColor: bbOptions.fillColor.withOpacity(0.2),
+      firstUpperChannelFillColor: bbOptions.fillColor.withValues(alpha: 0.2),
+      secondUpperChannelFillColor: bbOptions.fillColor.withValues(alpha: 0.2),
     );
   }
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/donchian_channels_series.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/donchian_channels_series.dart
index 9da618697..b25430e85 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/donchian_channels_series.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/donchian_channels_series.dart
@@ -105,8 +105,8 @@ class DonchianChannelsSeries extends Series {
       return ChannelFillPainter(
         upperChannelSeries,
         lowerChannelSeries,
-        firstUpperChannelFillColor: config.fillColor.withOpacity(0.2),
-        secondUpperChannelFillColor: config.fillColor.withOpacity(0.2),
+        firstUpperChannelFillColor: config.fillColor.withValues(alpha: 0.2),
+        secondUpperChannelFillColor: config.fillColor.withValues(alpha: 0.2),
       );
     }
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/fcb_series.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/fcb_series.dart
index b5ecbceed..5d6b4ba2e 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/fcb_series.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/fcb_series.dart
@@ -58,8 +58,8 @@ class FractalChaosBandSeries extends Series {
       return ChannelFillPainter(
         fcbHighSeries,
         fcbLowSeries,
-        firstUpperChannelFillColor: config.fillColor.withOpacity(0.2),
-        secondUpperChannelFillColor: config.fillColor.withOpacity(0.2),
+        firstUpperChannelFillColor: config.fillColor.withValues(alpha: 0.2),
+        secondUpperChannelFillColor: config.fillColor.withValues(alpha: 0.2),
       );
     }
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ichimoku_cloud_series.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ichimoku_cloud_series.dart
index 223efe3e6..2a36a9705 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ichimoku_cloud_series.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ichimoku_cloud_series.dart
@@ -163,8 +163,10 @@ class IchimokuCloudSeries extends Series {
     return ChannelFillPainter(
       spanASeries,
       spanBSeries,
-      firstUpperChannelFillColor: config.spanALineStyle.color.withOpacity(0.2),
-      secondUpperChannelFillColor: config.spanBLineStyle.color.withOpacity(0.2),
+      firstUpperChannelFillColor:
+          config.spanALineStyle.color.withValues(alpha: 0.2),
+      secondUpperChannelFillColor:
+          config.spanBLineStyle.color.withValues(alpha: 0.2),
     );
   }
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ma_env_series.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ma_env_series.dart
index 11e5e863b..98fd9b70e 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ma_env_series.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/indicators_series/ma_env_series.dart
@@ -120,8 +120,10 @@ class MAEnvSeries extends Series {
     return ChannelFillPainter(
       upperSeries,
       lowerSeries,
-      firstUpperChannelFillColor: maEnvOptions?.fillColor.withOpacity(0.2),
-      secondUpperChannelFillColor: maEnvOptions?.fillColor.withOpacity(0.2),
+      firstUpperChannelFillColor:
+          maEnvOptions?.fillColor.withValues(alpha: 0.2),
+      secondUpperChannelFillColor:
+          maEnvOptions?.fillColor.withValues(alpha: 0.2),
     );
   }
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/channel_fill_painter.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/channel_fill_painter.dart
index 1cbb02e57..488d977ea 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/channel_fill_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/channel_fill_painter.dart
@@ -60,8 +60,8 @@ class ChannelFillPainter extends DataPainter<DataSeries<Tick>> {
       ..strokeWidth = firstLineStyle.thickness;
 
     final Paint firstChannelFillPaint = Paint()
-      ..color =
-          firstUpperChannelFillColor ?? firstLineStyle.color.withOpacity(0.2)
+      ..color = firstUpperChannelFillColor ??
+          firstLineStyle.color.withValues(alpha: 0.2)
       ..style = PaintingStyle.fill
       ..strokeWidth = 0;
 
@@ -71,8 +71,8 @@ class ChannelFillPainter extends DataPainter<DataSeries<Tick>> {
       ..strokeWidth = secondLineStyle.thickness;
 
     final Paint secondChannelFillPaint = Paint()
-      ..color =
-          secondUpperChannelFillColor ?? secondLineStyle.color.withOpacity(0.2)
+      ..color = secondUpperChannelFillColor ??
+          secondLineStyle.color.withValues(alpha: 0.2)
       ..style = PaintingStyle.fill
       ..strokeWidth = 0;
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/line_painter.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/line_painter.dart
index 2dff3e1fe..23cf52647 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/line_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/line_painter.dart
@@ -42,8 +42,8 @@ class LinePainter extends DataPainter<DataSeries<Tick>> {
           const Offset(0, 0),
           Offset(0, size.height),
           <Color>[
-            style.color.withOpacity(0.2),
-            style.color.withOpacity(0.01),
+            style.color.withValues(alpha: 0.2),
+            style.color.withValues(alpha: 0.01),
           ],
         );
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/oscillator_line_painter.dart b/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/oscillator_line_painter.dart
index fbd6b085f..227819d54 100644
--- a/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/oscillator_line_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/chart_series/line_series/oscillator_line_painter.dart
@@ -30,10 +30,10 @@ class OscillatorLinePainter extends LinePainter {
             const LineStyle(color: Colors.blueGrey),
         _bottomHorizontalLine = bottomHorizontalLine,
         _topZonesPaint = Paint()
-          ..color = topHorizontalLinesStyle.color.withOpacity(0.5)
+          ..color = topHorizontalLinesStyle.color.withValues(alpha: 0.5)
           ..style = PaintingStyle.fill,
         _bottomZonesPaint = Paint()
-          ..color = bottomHorizontalLinesStyle.color.withOpacity(0.5)
+          ..color = bottomHorizontalLinesStyle.color.withValues(alpha: 0.5)
           ..style = PaintingStyle.fill,
         super(series);
 
@@ -85,7 +85,7 @@ class OscillatorLinePainter extends LinePainter {
       if (kIsWeb) {
         final List<Tick> horizontalLineEntries = series.entries!
             .map((Tick entry) =>
-                Tick(epoch: entry.epoch, quote: _topHorizontalLine!))
+                Tick(epoch: entry.epoch, quote: _topHorizontalLine))
             .toList();
         topIntersections = combinePaths(
           series,
@@ -104,7 +104,7 @@ class OscillatorLinePainter extends LinePainter {
               linePath.startPosition.dx,
               0,
               linePath.endPosition.dx,
-              quoteToY(_topHorizontalLine!),
+              quoteToY(_topHorizontalLine),
             ),
           );
 
@@ -121,7 +121,7 @@ class OscillatorLinePainter extends LinePainter {
       if (kIsWeb) {
         final List<Tick> horizontalLineEntries = series.entries!
             .map((Tick entry) =>
-                Tick(epoch: entry.epoch, quote: _bottomHorizontalLine!))
+                Tick(epoch: entry.epoch, quote: _bottomHorizontalLine))
             .toList();
 
         bottomIntersection = combinePaths(
@@ -139,7 +139,7 @@ class OscillatorLinePainter extends LinePainter {
           ..addRect(
             Rect.fromLTRB(
               linePath.startPosition.dx,
-              quoteToY(_bottomHorizontalLine!),
+              quoteToY(_bottomHorizontalLine),
               linePath.endPosition.dx,
               size.height,
             ),
@@ -166,12 +166,12 @@ class OscillatorLinePainter extends LinePainter {
     if (_topHorizontalLine != null) {
       paint.color = topHorizontalLinesStyle.color;
       canvas.drawLine(
-          Offset(0, quoteToY(_topHorizontalLine!)),
+          Offset(0, quoteToY(_topHorizontalLine)),
           Offset(
               size.width -
-                  labelWidth(_topHorizontalLine!, textStyle.textStyle,
+                  labelWidth(_topHorizontalLine, textStyle.textStyle,
                       chartConfig.pipSize),
-              quoteToY(_topHorizontalLine!)),
+              quoteToY(_topHorizontalLine)),
           paint);
     }
 
@@ -181,12 +181,12 @@ class OscillatorLinePainter extends LinePainter {
         ..strokeWidth = bottomHorizontalLinesStyle.thickness;
 
       canvas.drawLine(
-          Offset(0, quoteToY(_bottomHorizontalLine!)),
+          Offset(0, quoteToY(_bottomHorizontalLine)),
           Offset(
               size.width -
                   labelWidth(_topHorizontalLine!, textStyle.textStyle,
                       chartConfig.pipSize),
-              quoteToY(_bottomHorizontalLine!)),
+              quoteToY(_bottomHorizontalLine)),
           paint);
     }
 
@@ -214,13 +214,13 @@ class OscillatorLinePainter extends LinePainter {
 
     if (_topHorizontalLine != null) {
       final TextPainter topValuePainter = makeTextPainter(
-        _topHorizontalLine!.toStringAsFixed(0),
+        _topHorizontalLine.toStringAsFixed(0),
         style.textStyle,
       );
       final Rect topLabelArea = Rect.fromCenter(
         center: Offset(
             size.width - rightMargin - padding - topValuePainter.width / 2,
-            quoteToY(_topHorizontalLine!)),
+            quoteToY(_topHorizontalLine)),
         width: topValuePainter.width + padding * 2,
         height: style.labelHeight,
       );
@@ -233,14 +233,14 @@ class OscillatorLinePainter extends LinePainter {
 
     if (_bottomHorizontalLine != null) {
       final TextPainter bottomValuePainter = makeTextPainter(
-        _bottomHorizontalLine!.toStringAsFixed(0),
+        _bottomHorizontalLine.toStringAsFixed(0),
         style.textStyle,
       );
 
       final Rect bottomLabelArea = Rect.fromCenter(
         center: Offset(
             size.width - rightMargin - padding - bottomValuePainter.width / 2,
-            quoteToY(_bottomHorizontalLine!)),
+            quoteToY(_bottomHorizontalLine)),
         width: bottomValuePainter.width + padding * 2,
         height: style.labelHeight,
       );
diff --git a/lib/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/drawing_paint_style.dart b/lib/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/drawing_paint_style.dart
index 223c78ae0..67812a084 100644
--- a/lib/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/drawing_paint_style.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/drawing_tools/data_model/drawing_paint_style.dart
@@ -15,12 +15,12 @@ class DrawingPaintStyle {
 
   /// Returns the paint style of the the faded line
   Paint fadedLinePaintStyle(Color color, double thickness) => Paint()
-    ..color = color.withOpacity(0.7)
+    ..color = color.withValues(alpha: 0.7)
     ..strokeWidth = thickness;
 
   /// Returns the paint style of the inner filling of container
   Paint fillPaintStyle(Color color, double thickness) => Paint()
-    ..color = color.withOpacity(0.2)
+    ..color = color.withValues(alpha: 0.2)
     ..style = PaintingStyle.fill
     ..strokeWidth = thickness;
 
diff --git a/lib/src/deriv_chart/chart/data_visualization/drawing_tools/rectangle/rectangle_drawing.dart b/lib/src/deriv_chart/chart/data_visualization/drawing_tools/rectangle/rectangle_drawing.dart
index 54699aa1b..9d27f8083 100644
--- a/lib/src/deriv_chart/chart/data_visualization/drawing_tools/rectangle/rectangle_drawing.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/drawing_tools/rectangle/rectangle_drawing.dart
@@ -180,9 +180,10 @@ class RectangleDrawing extends Drawing {
               _rect,
               drawingData.shouldHighlight
                   ? paint.glowyLinePaintStyle(
-                      fillStyle.color.withOpacity(0.3), lineStyle.thickness)
-                  : paint.fillPaintStyle(
-                      fillStyle.color.withOpacity(0.3), lineStyle.thickness))
+                      fillStyle.color.withValues(alpha: 0.3),
+                      lineStyle.thickness)
+                  : paint.fillPaintStyle(fillStyle.color.withValues(alpha: 0.3),
+                      lineStyle.thickness))
           ..drawRect(
               _rect, paint.strokeStyle(lineStyle.color, lineStyle.thickness));
       }
diff --git a/lib/src/deriv_chart/chart/data_visualization/drawing_tools/trend/trend_drawing.dart b/lib/src/deriv_chart/chart/data_visualization/drawing_tools/trend/trend_drawing.dart
index 49967d433..56634d34d 100644
--- a/lib/src/deriv_chart/chart/data_visualization/drawing_tools/trend/trend_drawing.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/drawing_tools/trend/trend_drawing.dart
@@ -355,7 +355,7 @@ class TrendDrawing extends Drawing {
             _mainRect,
             drawingData.shouldHighlight
                 ? paint.glowyLinePaintStyle(
-                    fillStyle.color.withOpacity(0.2), lineStyle.thickness)
+                    fillStyle.color.withValues(alpha: 0.2), lineStyle.thickness)
                 : paint.fillPaintStyle(fillStyle.color, lineStyle.thickness),
           )
           ..drawRect(
@@ -366,7 +366,7 @@ class TrendDrawing extends Drawing {
             _middleRect,
             drawingData.shouldHighlight
                 ? paint.glowyLinePaintStyle(
-                    fillStyle.color.withOpacity(0.2), lineStyle.thickness)
+                    fillStyle.color.withValues(alpha: 0.2), lineStyle.thickness)
                 : paint.fillPaintStyle(fillStyle.color, lineStyle.thickness),
           )
           ..drawRect(
diff --git a/lib/src/deriv_chart/chart/data_visualization/markers/marker_icon_painters/marker_icon_painter.dart b/lib/src/deriv_chart/chart/data_visualization/markers/marker_icon_painters/marker_icon_painter.dart
index 07048d6b6..a7ef4d289 100644
--- a/lib/src/deriv_chart/chart/data_visualization/markers/marker_icon_painters/marker_icon_painter.dart
+++ b/lib/src/deriv_chart/chart/data_visualization/markers/marker_icon_painters/marker_icon_painter.dart
@@ -41,7 +41,7 @@ abstract class MarkerIconPainter {
       ..drawCircle(
         center,
         style.radius - 2,
-        Paint()..color = Colors.black.withOpacity(0.32),
+        Paint()..color = Colors.black.withValues(alpha: 0.32),
       );
   }
 
diff --git a/lib/src/deriv_chart/chart/helpers/color_converter.dart b/lib/src/deriv_chart/chart/helpers/color_converter.dart
index 456f6a352..f5ba38d4b 100644
--- a/lib/src/deriv_chart/chart/helpers/color_converter.dart
+++ b/lib/src/deriv_chart/chart/helpers/color_converter.dart
@@ -1,3 +1,4 @@
+import 'package:deriv_chart/src/misc/extensions.dart';
 import 'package:flutter/material.dart';
 import 'package:json_annotation/json_annotation.dart';
 
@@ -21,5 +22,5 @@ class ColorConverter implements JsonConverter<Color, int> {
   Color fromJson(int value) => Color(value);
 
   @override
-  int toJson(Color color) => color.value;
+  int toJson(Color color) => color.toInt32;
 }
diff --git a/lib/src/deriv_chart/chart/helpers/paint_functions/paint_dot.dart b/lib/src/deriv_chart/chart/helpers/paint_functions/paint_dot.dart
index 7277cd84f..7a05e84d4 100644
--- a/lib/src/deriv_chart/chart/helpers/paint_functions/paint_dot.dart
+++ b/lib/src/deriv_chart/chart/helpers/paint_functions/paint_dot.dart
@@ -66,7 +66,7 @@ void paintDotWithGlow(
 
     // // Create a semi-transparent glow paint
     final Paint glowPaint = Paint()
-      ..color = paint.color.withOpacity(0.5)
+      ..color = paint.color.withValues(alpha: 0.5)
       ..style = PaintingStyle.fill;
 
     // Draw the glow
diff --git a/lib/src/deriv_chart/chart/worm_chart/worm_chart.dart b/lib/src/deriv_chart/chart/worm_chart/worm_chart.dart
index 0d607c3f5..dffb91611 100644
--- a/lib/src/deriv_chart/chart/worm_chart/worm_chart.dart
+++ b/lib/src/deriv_chart/chart/worm_chart/worm_chart.dart
@@ -264,6 +264,6 @@ int _searchUpperIndex(List<Tick> entries, double rightIndex) {
       : (closest + 1 > entries.length ? closest : closest + 1);
 }
 
-extension _isGraterThanZero on Size {
+extension _IsGreaterThanZero on Size {
   bool get isGraterThanZero => width > 0 && height > 0;
 }
diff --git a/lib/src/deriv_chart/chart/worm_chart/worm_chart_painter.dart b/lib/src/deriv_chart/chart/worm_chart/worm_chart_painter.dart
index 79c5bf8a7..b2bfdaaf6 100644
--- a/lib/src/deriv_chart/chart/worm_chart/worm_chart_painter.dart
+++ b/lib/src/deriv_chart/chart/worm_chart/worm_chart_painter.dart
@@ -193,8 +193,8 @@ class WormChartPainter extends CustomPainter {
         const Offset(0, 0),
         Offset(0, size.height),
         <Color>[
-          style.color.withOpacity(0.2),
-          style.color.withOpacity(0.001),
+          style.color.withValues(alpha: 0.2),
+          style.color.withValues(alpha: 0.001),
         ],
       );
 
diff --git a/lib/src/deriv_chart/chart/x_axis/functions/calc_no_overlay_time_gaps.dart b/lib/src/deriv_chart/chart/x_axis/functions/calc_no_overlay_time_gaps.dart
index f5eaa5f44..dc9f6e0b4 100644
--- a/lib/src/deriv_chart/chart/x_axis/functions/calc_no_overlay_time_gaps.dart
+++ b/lib/src/deriv_chart/chart/x_axis/functions/calc_no_overlay_time_gaps.dart
@@ -1,5 +1,4 @@
 /// Calculate time labels' from [gridTimestamps] without any overlaps.
-
 List<DateTime> calculateNoOverlapGridTimestamps(
   List<DateTime> gridTimestamps,
   double minDistanceBetweenTimeGridLines,
diff --git a/lib/src/misc/extensions.dart b/lib/src/misc/extensions.dart
index abfc8114c..138bb901f 100644
--- a/lib/src/misc/extensions.dart
+++ b/lib/src/misc/extensions.dart
@@ -6,3 +6,29 @@ extension ContextExtension on BuildContext {
   /// Returns [ChartLocalization] of context.
   ChartLocalization get localization => ChartLocalization.of(this);
 }
+
+/// This class is to supplement deprecated_member_use for value
+/// value converted RGBA into a 32 bit integer
+/// Will be removed in the next stable flutter version
+/// https://github.com/flutter/flutter/issues/160184#issuecomment-2560184639
+extension ColorEx on Color {
+  /// Converts a double value to an 8-bit integer.
+  static int floatToInt8(double x) {
+    return (x * 255.0).round() & 0xff;
+  }
+
+  /// A 32 bit value representing this color.
+  ///
+  /// The bits are assigned as follows:
+  ///
+  /// * Bits 24-31 are the alpha value.
+  /// * Bits 16-23 are the red value.
+  /// * Bits 8-15 are the green value.
+  /// * Bits 0-7 are the blue value.
+  int get toInt32 {
+    return floatToInt8(a) << 24 |
+        floatToInt8(r) << 16 |
+        floatToInt8(g) << 8 |
+        floatToInt8(b) << 0;
+  }
+}
diff --git a/lib/src/widgets/animated_popup.dart b/lib/src/widgets/animated_popup.dart
index de5a6ec0c..0c39a230a 100644
--- a/lib/src/widgets/animated_popup.dart
+++ b/lib/src/widgets/animated_popup.dart
@@ -55,7 +55,7 @@ class _AnimatedPopupDialogState extends State<AnimatedPopupDialog>
                     borderRadius: BorderRadius.all(Radius.circular(5))),
               ),
               child: Material(
-                color: const Color(0xFF0E0E0E).withOpacity(0.5),
+                color: const Color(0xFF0E0E0E).withValues(alpha: 0.5),
                 child: Padding(
                   padding: const EdgeInsets.all(2),
                   child: widget.child,
diff --git a/lib/src/widgets/color_picker/material_color_grid.dart b/lib/src/widgets/color_picker/material_color_grid.dart
index aeb2f807c..0180c24e0 100644
--- a/lib/src/widgets/color_picker/material_color_grid.dart
+++ b/lib/src/widgets/color_picker/material_color_grid.dart
@@ -1,3 +1,4 @@
+import 'package:deriv_chart/src/misc/extensions.dart';
 import 'package:flutter/material.dart';
 
 /// Grid of material color options.
@@ -44,7 +45,7 @@ class MaterialColorGrid extends StatelessWidget {
             for (final int shade in colorShades)
               _ColorOptionButton(
                 color: swatch[shade]!,
-                selected: swatch[shade]!.value == selectedColor.value,
+                selected: swatch[shade]!.toInt32 == selectedColor.toInt32,
                 onTap: () {
                   onChanged.call(swatch[shade]!);
                 },
diff --git a/lib/src/widgets/market_selector/animated_highlight.dart b/lib/src/widgets/market_selector/animated_highlight.dart
index de7ae4c39..e71f2dc5a 100644
--- a/lib/src/widgets/market_selector/animated_highlight.dart
+++ b/lib/src/widgets/market_selector/animated_highlight.dart
@@ -64,7 +64,7 @@ class _AnimatedHighlightState extends State<AnimatedHighlight>
   Widget build(BuildContext context) => AnimatedBuilder(
         animation: _animation,
         builder: (BuildContext context, Widget? child) => Ink(
-          color: Colors.grey.withOpacity(_animation.value),
+          color: Colors.grey.withValues(alpha: _animation.value),
           child: child,
         ),
         child: widget.child,
diff --git a/pubspec.yaml b/pubspec.yaml
index 5f5cd2e08..2722ec4ba 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ homepage: https://github.com/deriv-com/flutter-chart
 repository: https://github.com/deriv-com/flutter-chart
 
 environment:
-  sdk: ">=3.0.0 <4.0.0"
+  sdk: ">=3.6.0 <4.0.0"
   flutter: ">=3.10.1"
 
 dependencies:
@@ -30,6 +30,7 @@ dev_dependencies:
   build_runner: ^2.4.6
   intl_utils: ^2.8.2
   json_serializable: ^6.7.1
+  lints: ^5.1.1
 
 flutter:
   assets: