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Atmos vs Color Supply: catalog facts
Atmos	Color Supply
Freemium Free to start; an account login is offered for further use.	Free Used directly in the browser; no pricing is mentioned.
Web	Web
Uniform shade and scale generation Semantic status colors from a primary color	Visual color wheel for picking combinations Previews palettes on sample shapes
Browser only Some features may need an account	Little documentation on the site No accessibility or contrast checking described
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
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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