Compare software

Just Color Picker vs Colour Contrast Analyser: catalog facts
Just Color Picker	Colour Contrast Analyser
Free Free to download and use.	Free Free to download, with source code published on GitHub.
Windows, macOS	Windows, macOS
Portable and works offline Screen freeze and point lock for precise picking	Screen-wide eyedropper for foreground and background Results for WCAG 2.0, 2.1 and 2.2
Not open source No Linux version	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
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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