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Coolors vs Color Supply: catalog facts
Coolors	Color Supply
Freemium Free to use with a paid plan for extra features.	Free Used directly in the browser; no pricing is mentioned.
Web	Web
Very fast palette generation with keyboard shortcuts Large community of shared palettes to browse	Visual color wheel for picking combinations Previews palettes on sample shapes
Some features are locked behind a paid plan Web-based only, no offline desktop app	Little documentation on the site No accessibility or contrast checking described
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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