Contrast Checker

Check foreground/background contrast ratio and get readable pass/fail guidance for UI copy.

Design QA

Use this toolBrowse related packsRead guides

What it produces

  • Contrast ratio
  • Pass status
  • Preview sample
  • CSS pair

Before export

  • Local calculation
  • Readable preview
  • Copy colors
  • No account
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Generated 2026-07-04T01:32:05Z from the Free Utility Kit shared tool catalog.