OneFreePlace
FREE ONLINE TOOL

Free Color Contrast
Checker

The quick brown fox jumps over the lazy dog. This preview uses your exact colors, font size and font weight.

Open this tool in its own window ↗

FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free Color Contrast Checker

Check WCAG 2.2 contrast, explore an experimental OKLCH perceptual lightness gap, repair failing pairs, audit links and controls, compare design tokens, simulate color-vision differences, and sample pixels from images — all locally in your browser.

Workspace options

  • Foreground
  • Background
  • Size (px)
  • Weight
  • Foreground includes alpha
  • Foreground opacity 100%

Available actions

  • ⇄ Swap
  • Share state
  • Dark
  • Checker
  • Links & UI
  • Token Matrix