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Huetone vs UI Colors: catalog facts
Huetone	UI Colors
Free Free open-source web tool.	Freemium Free to use, with a paid Pro upgrade that unlocks extra options.
Web	Web
Uses the perceptually based LCH color space Helps keep palettes accessible across hues	Generates full Tailwind shade scales from one color Previews palettes on realistic UI examples and shadcn/ui components
Assumes some familiarity with color spaces Aimed at palette building rather than quick color picking	Some features require a Pro subscription Focused on Tailwind CSS naming and scales
Web application	Web application
Open source	Closed 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 Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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