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Colour Contrast Analyser vs Just Color Picker: catalog facts
Colour Contrast Analyser	Just Color Picker
Free Free to download, with source code published on GitHub.	Free Free to download and use.
Windows, macOS	Windows, macOS
Screen-wide eyedropper for foreground and background Results for WCAG 2.0, 2.1 and 2.2	Portable and works offline Screen freeze and point lock for precise picking
Windows and macOS only Checks one color pair at a time	Not open source No Linux version
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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.