“theming”
ColorScheme.fromSeed: Generating Consistent Flutter Themes from One Color
Generate Material 3 tonal palettes from a single seed color with ColorScheme.fromSeed — brightness, scheme variants, contrast levels, and how to wire it into ThemeData for light and dark mode.
Testing Light and Dark Mode with the Widget Previewer's Brightness Toggle
The Widget Previewer's light/dark toggle plus the brightness parameter makes theme-matrix testing a one-annotation job.
Dark Mode in Flutter: ThemeData, ColorScheme.fromSeed, and System Themes
Build light and dark palettes from a single seed color, follow the system brightness with themeMode, and remember the user choice across launches — a practitioner guide to dark mode in Flutter.
Mastering Design Tokens in Astryx: Color, Typography, Spacing, and More
A deep dive into Astryx's 10-category semantic token system — covering color, typography, spacing, shape, elevation, motion, icons, and illustrations.
Theming and Layout in Astryx: Theme System, Frame-First Approach, and Templates
Master Astryx theming with 7 built-in themes, custom theme creation via defineTheme(), frame-first layout patterns, and page/block templates.