diff --git a/packages/netglade_flutter_utils/CHANGELOG.md b/packages/netglade_flutter_utils/CHANGELOG.md
index 1b46468..350340f 100644
--- a/packages/netglade_flutter_utils/CHANGELOG.md
+++ b/packages/netglade_flutter_utils/CHANGELOG.md
@@ -1,5 +1,7 @@
-## Unreleased
+## 1.4.0
 - Require Dart SDK 3.10.0 or later.
+- *Add* `withAlphaPercent` method to Color extension to set alpha using percentage.
+- Dependencies update.
 
 ## 1.3.0
 - Require Dart SDK 3.9.0 or later.
diff --git a/packages/netglade_flutter_utils/lib/src/extensions/color_extensions.dart b/packages/netglade_flutter_utils/lib/src/extensions/color_extensions.dart
index 8df3d48..afb1d9d 100644
--- a/packages/netglade_flutter_utils/lib/src/extensions/color_extensions.dart
+++ b/packages/netglade_flutter_utils/lib/src/extensions/color_extensions.dart
@@ -41,4 +41,15 @@ extension ColorExtensions on Color {
 
     return asUpperCase ? result.toUpperCase() : result;
   }
+
+  /// Returns color with alpha set to [percent].
+  ///
+  /// Corresponds with deprecated withOpacity method.
+  Color withAlphaPercent(double percent) {
+    assert(percent >= 0 && percent <= 1, 'percent must be between 0 and 1');
+
+    final alphaValue = (percent * 255).toInt().clamp(0, 255);
+
+    return withAlpha(alphaValue);
+  }
 }
diff --git a/packages/netglade_flutter_utils/pubspec.yaml b/packages/netglade_flutter_utils/pubspec.yaml
index 5d43737..23a3ecc 100644
--- a/packages/netglade_flutter_utils/pubspec.yaml
+++ b/packages/netglade_flutter_utils/pubspec.yaml
@@ -1,7 +1,7 @@
 name: netglade_flutter_utils
 resolution: workspace
 description: Flutter utils used internally at netglade.
-version: 1.3.0
+version: 1.4.0
 repository: https://github.com/netglade/flutter_core/tree/main/packages/netglade_flutter_utils
 issue_tracker: https://github.com/netglade/flutter_core/issues
 homepage: https://github.com/netglade/flutter_core