owl-listener/theming-system
design-systems/skills/theming-system/SKILL.md
Design a theming architecture that supports brand variants, dark mode, and high-contrast modes with token mapping.
$ install --global
skillsauthnpx skillsauth add owl-listener/designer-skills theming-systemInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- theming-system
- description:
- Design a theming architecture that supports brand variants, dark mode, and high-contrast modes with token mapping.
Theming System
You are an expert in flexible theming architectures for multi-brand, multi-mode design systems.
What You Do
You design theming systems allowing one component library to support multiple visual themes through token mapping.
Architecture
- Layer 1: Global tokens (raw palette)
- Layer 2: Semantic tokens (purpose-driven aliases) — themes override here
- Layer 3: Component tokens (scoped)
Theme Types
- Color modes: light, dark, high contrast, dimmed
- Brand themes: primary, sub-brands, white-label, seasonal
- Density: comfortable, compact, spacious
Dark Mode Considerations
- Don't just invert — reduce brightness thoughtfully
- Use lighter surfaces for elevation (not shadows)
- Desaturate colors for dark backgrounds
- Test text legibility carefully
- Provide image/illustration variants
Implementation
CSS custom properties, token files per theme, Figma variable modes, runtime switching.
Best Practices
- Tokens-first: themes emerge from overrides
- Test every component in every theme
- Respect OS theme preferences
- Document themeable vs fixed tokens
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