Can this skill help with global widget styling?

Yes, it includes patterns for component-level theming for common widgets such as ElevatedButtons, Cards, and TextThemes to ensure app-wide consistency.

Does this skill support Material 3?

Yes, it is fully optimized for Material 3, utilizing the latest ThemeData patterns and ColorScheme.fromSeed logic.

Can I add custom brand colors that aren't in the Material spec?

Absolutely. The skill uses Flutter's ThemeExtension system to allow for custom, type-safe brand colors like specific brand gradients or semantic tokens.

How does it handle dark mode persistence?

It provides a Riverpod-based notifier that integrates with SharedPreferences to save and restore the user's theme preference across app restarts.

Flutter Theming & Design System

Name: Flutter Theming & Design System
Author: antoineschaller

byantoineschaller

•

Mobile Development

Implements professional-grade Material 3 themes, dark mode support, and custom design tokens for Flutter applications.

This skill provides a comprehensive framework for managing UI consistency in Flutter applications. It enables Claude to generate production-ready Material 3 ColorSchemes, implement type-safe Theme Extensions for brand-specific design tokens, and configure global component styling for widgets like buttons and cards. Beyond static styling, it includes patterns for persistent dark mode management using Riverpod and SharedPreferences, making it an essential tool for developers translating complex design systems into functional mobile interfaces.

Key Features

011 GitHub stars

02Material 3 ColorScheme generation with seed color support

03Persistent dark mode state management with Riverpod

04Global component theming for standardized UI elements

05Type-safe color palette and typography implementation

06Custom Theme Extensions for brand-specific design tokens

Use Cases

01Synchronizing a mobile app's visual identity with an existing web design system

02Implementing a robust, user-selectable dark mode with local persistence

03Building a production-ready Flutter app with high-fidelity branding

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add antoineschaller/cortex-skills flutter-theming

For use in Claude.ai and ChatGPT

Download Skill