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Flat UI Colors vs Color Leap: catalog facts
Flat UI Colors	Color Leap
Best for: Picking ready-made flat UI colors quickly	Best for: Designers looking for palette ideas from historical art
Free Free to use in the browser.	Free Free to browse in the browser.
Web	Web
280 curated colors in 14 palettes One-click copy of color codes All 3 strengths for Flat UI Colors 280 curated colors in 14 palettes One-click copy of color codes No account needed	Palettes organised by historical era Draws on 4000 years of art and culture All 3 strengths for Color Leap Palettes organised by historical era Draws on 4000 years of art and culture Nothing to install
Fixed palettes, no palette generator Limited to the flat design style	Limited to a fixed set of 180 palettes Does not generate new palettes
Web application	Web application
Not open source	Not open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Sources for Flat UI Colors flatuicolors.com Catalog checked September 24, 2026	Official website Full listing and sources Sources for Color Leap colorleap.app Catalog checked September 23, 2026

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