flutter_dynamic_theme_engine 1.0.0

Dynamic multi-theme palette engine for Flutter generating accessible themes from seed colors with HSL math and animated transitions.

flutter_dynamic_theme_engine

A dynamic multi-theme palette engine for Flutter. Generates accessible light and dark Material 3 themes on the fly from user seed colors with HSL color math and smooth animated transitions.

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🌟 Key Features

• 🎨 HSL Material Color Generator: Programmatically generates 10-shade Material Color swatches from any seed hex color.
• ♿ WCAG 2.1 Contrast Checker: Utility to check text-on-background contrast compliance.
• 🌓 Dynamic Theme Builder: Reactive widget wrapper animating theme switches smoothly across the widget tree.

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📦 Installation

Add flutter_dynamic_theme_engine to your pubspec.yaml:

dependencies:
  flutter_dynamic_theme_engine: ^1.0.0

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🚀 Quick Start

final themeNotifier = DynamicThemeNotifier();

// In main.dart
DynamicThemeBuilder(
  notifier: themeNotifier,
  builder: (context, lightTheme, darkTheme, themeMode) {
    return MaterialApp(
      theme: lightTheme,
      darkTheme: darkTheme,
      themeMode: themeMode,
      home: const HomeScreen(),
    );
  },
);

// Switch seed color dynamically anywhere
themeNotifier.setSeedColor(Colors.teal);

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📄 License

MIT License - Developed with ❤️ by Olamilekan Adeyemi (@lekthedeveloper).