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Workspace Status
Pick any tool from the shortcut bar below to start building a working palette flow.
Tool Guide
The Contrast Checker is not just for pass-fail compliance. It helps you decide whether a color actually belongs in a given role and how to recover weak pairs without losing the intended product tone.
Testing body text, primary actions, muted copy, state colors, and key foreground-background pairs before export or implementation.
Catching readability issues early so teams do not discover them late in QA or after launch.
Start with the combinations that appear most often in the interface. Fixing common pairs usually creates the biggest usability gain.
If a pair fails, try a nearby shade or role reassignment before assuming the whole palette is wrong. Some colors are meant for surfaces or accents, not text.
Contrast works best after you already have a candidate palette or ramp. It is a validation step that makes the rest of the system safer to ship.
For deeper guidance on interpreting failures and recovering weak pairs, use the full resource article linked below.
Contrast checking is about readability, but it is also about role assignment. A color that fails as body text may still work as a subtle surface, chart accent, illustration color, or decorative highlight. A failed pair is a signal to change the job of the color, not always a signal to discard the palette.
Start with the combinations that users see most often: body text on page backgrounds, button text on action colors, muted copy on cards, form labels, validation messages, and navigation states. These repeated pairs have a larger usability impact than rare decorative combinations.
When a pair fails, test nearby shades before making a dramatic change. Often a slightly darker foreground or slightly lighter surface preserves the intended tone while bringing the ratio into a safer range.
| Use | Minimum ratio |
|---|---|
| Normal text | 4.5:1 for WCAG AA |
| Large text | 3:1 for WCAG AA |
| Enhanced normal text | 7:1 for WCAG AAA |
| UI components and graphics | 3:1 for important visual boundaries |
Evaluate contrast ratios and preview accessibility.
Preview
Small text preview
Large text preview
Contrast Ratio
17.06:1
Suggested Accessible Color
Color Blindness
Quickly see contrast in dark UI contexts.
Dark mode surface
Foreground on dark background
Light surface
Foreground on light background
