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Colour Contrast AnalyserColorSlurp
Free

Free to download, with source code published on GitHub.

 Freemium

Free with paid tier for additional features.

Windows, macOS macOS, iOS
  • Screen-wide eyedropper for foreground and background
  • Results for WCAG 2.0, 2.1 and 2.2
  • Magnifier makes pixel-precise color picking easier
  • Includes contrast checking for accessibility
  • Windows and macOS only
  • Checks one color pair at a time
  • Full feature set requires the paid tier
  • Mac and iOS only
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.