Compare software

ColorSlurpColour Contrast Analyser
Freemium

Free with paid tier for additional features.

 Free

Free to download, with source code published on GitHub.

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

Checked September 22, 2026

Checked September 23, 2026

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