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Khroma vs ColorSpace: catalog facts
Khroma	ColorSpace
Free Free web tool.	Free Free to use in the browser.
Web	Web
Personalizes suggestions instead of showing generic palettes Free to use	Many palettes generated from a single input color Gradient generator with up to three colors
Requires an initial training step before it becomes useful Web-based only	Few controls over how palettes are generated No accessibility or contrast checks mentioned
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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