Contrast Checker
Image ToolsToolio Contrast Checker compares two colors and reports a contrast ratio in the browser. Use it when picking body text, buttons, and charts. Colors are not sent to an accessibility vendor.
123k uses · Runs locally
How to use
- 1Enter foreground and background colors.
- 2Read the contrast ratio.
- 3Adjust either color until the score improves.
- 4Copy the pair into your design tokens.
Benefits
- Catch faint text before QA.
- Brand colors stay on this device.
- Faster than a full audit suite for one pair.
Frequently asked questions
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