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Gpick vs ColorSlurp: catalog facts
Gpick	ColorSlurp
Free Free and open source.	Freemium Free with paid tier for additional features.
Windows, Linux	macOS, iOS
Samples colors from anywhere on the desktop Builds and edits palettes for design applications	Magnifier makes pixel-precise color picking easier Includes contrast checking for accessibility
No macOS build mentioned GTK interface may feel out of place on Windows	Full feature set requires the paid tier Mac and iOS only
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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