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Color Leap vs Flat UI Colors: catalog facts
Color Leap	Flat UI Colors
Best for: Designers looking for palette ideas from historical art	Best for: Picking ready-made flat UI colors quickly
Free Free to browse in the browser.	Free Free to use in the browser.
Web	Web
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	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
Limited to a fixed set of 180 palettes Does not generate new palettes	Fixed palettes, no palette generator Limited to the flat design style
Web application	Web application
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Sources for Color Leap colorleap.app Catalog checked September 23, 2026	Official website Full listing and sources Sources for Flat UI Colors flatuicolors.com Catalog checked September 24, 2026

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