Compare software

Sessions College Color Calculator vs Color Supply: catalog facts
Sessions College Color Calculator	Color Supply
Free Free to use on the Sessions College website.	Free Used directly in the browser; no pricing is mentioned.
Web	Web
Builds palettes from classic color harmonies Gives hex, RGB and CMYK values for each color	Visual color wheel for picking combinations Previews palettes on sample shapes
Sits inside a college marketing site with course promotion around it Covers harmonies only, without contrast or accessibility checks	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
No account 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 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.