Dark Mode Token Checker
Test light and dark surface tokens, evaluate accent and semantic color roles, catch contrast gaps early, and export CSS.
Free Tool Design System
Tools OverviewDark Mode Token Checker
Test light and dark surface tokens, evaluate accent and semantic color roles, catch contrast gaps early, and export CSS you can trust.
Catalog Context Part of Design System
See how this tool connects to category hubs, workflow paths, starter kits, and adjacent next steps.
Starter Kits Including This Tool
Next Move - No result yetDesign System
Recommended: Brand Color Accessibility Checker
Start with basic contrast pairs before mapping colors into light and dark semantic roles.
Token inputs
Add semantic roles, then test whether they survive both light and dark surfaces.
1. Core Surfaces
2. Semantic Roles
Light preview
Accent, semantic, and body text should all remain readable.
Dark preview
Dark mode needs more than inverted colors.
Token report
Contrast matrix, role warnings, and CSS variable export.
Add light and dark tokens, then see contrast results, role warnings, and CSS variables.