Compare software

ColorKit vs Flat UI Colors: catalog facts
ColorKit	Flat UI Colors
Best for: Designers looking for a quick color palette or inspiration	Best for: Picking ready-made flat UI colors quickly
Free The tools are free to use in the browser.	Free Free to use in the browser.
Web	Web
Free palette generator Large gallery of palettes with hex codes All 3 strengths for ColorKit Free palette generator Large gallery of palettes with hex codes Works in the browser with 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
Requires an internet connection Little detail published about individual tools	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
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Sources for ColorKit colorkit.co 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.