Compare software

Eva Colors vs Atmos: catalog facts
Eva Colors	Atmos
Best for: Setting up a color palette for a UI design system	Best for: UI designers building a consistent color system
Free Free to use in the browser.	Free + paid options Free to start; an account login is offered for further use.
Web	Web
Generates a full palette rather than single colors Runs in the browser with nothing to install All 3 strengths for Eva Colors Generates a full palette rather than single colors Runs in the browser with nothing to install Tied to an existing design system	Uniform shade and scale generation Semantic status colors from a primary color All 3 strengths for Atmos Uniform shade and scale generation Semantic status colors from a primary color Adjustable color wheel with all harmony modes
Very little documentation on the page Generated palettes follow the Eva Design System approach	Browser only Some features may need an account
Web application	Web application
Not open source	Not open 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 Sources for Eva Colors colors.eva.design Catalog checked October 1, 2026	Official website Full listing and sources Sources for Atmos atmos.style Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.