What it is
A practical companion for how to build a color theme and other theme guides.
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generator
WebAIM Contrast Checker
Validate theme colors for readable text contrast
Updated August 25, 2026
Official links
Quick facts
- Type
- Accessibility checker
- Best for
- Color theme validation
- Input
- Hex color pairs
Frequently asked questions
- Why check contrast for themes?
- Pretty palettes fail on projectors and mobile. Contrast checks catch unreadable body text early.