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InclusiveColors vs Atmos: catalog facts
InclusiveColors	Atmos
Free The site lists no paid tier.	Freemium Free to start; an account login is offered for further use.
Web	Web
Precise control of every tint and shade Live WCAG and APCA contrast checks between color pairs	Uniform shade and scale generation Semantic status colors from a primary color
Still in beta Focused on UI palettes rather than general color exploration	Browser only Some features may need an account
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	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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