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HeyUtils Color Contrast Checker preview
Colors & GradientsFree

HeyUtils Color Contrast Checker

HeyUtils Color Contrast Checker is a free online tool that helps designers and developers make text easier to read and improve website accessibility.What makes it useful:- Instant Contrast Check: Enter text and background colors to see their contrast ratio.- WCAG Testing: Check whether colors meet AA and AAA accessibility requirements.- Live Preview: See how your text looks against the selected background.- Smart Color Suggestions: Get alternative colors when your current combination fails.- Opacity Support: Check contrast even when text is partially transparent.- Privacy Friendly: Calculations happen directly in your browser.Pricing: Completely free, with no account required.Best for: UI/UX designers, frontend developers, and anyone building accessible websites.

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Highlights

  • Free WCAG AA & AAA contrast testing
  • Instant text and background preview
  • Automatic passing color suggestions
  • Supports text size, weight, and opacity
  • Browser-based calculations for privacy
  • No registration or installation required

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