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Muzli Colors vs Coolors: catalog facts
Muzli Colors	Coolors
Best for: UI designers choosing a palette and checking it in a mock layout	Best for: Fast color palette generator for browsing and tweaking combinations
Free Free to use in the browser.	Free + paid options Free to use with a paid plan for extra features.
Web	Web
Previews palettes on sample UI designs Search by use case such as dashboard or logo All 3 strengths for Muzli Colors Previews palettes on sample UI designs Search by use case such as dashboard or logo Large set of popular palettes and collections	Very fast palette generation with keyboard shortcuts Large community of shared palettes to browse
Part of a wider promotional design inspiration service Requires an internet connection	Some features are locked behind a paid plan Web-based only, no offline desktop app
Web application	Web application
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Sources for Muzli Colors colors.muz.li Catalog checked September 24, 2026	Official website Full listing and sources Sources for Coolors coolors.co Catalog checked September 22, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.