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Color Hexa vs Pastel: catalog facts
Color Hexa	Pastel
Free Free to use in the browser.	Free The open-source application is available without a license fee.
Web	Windows, macOS, Linux
Conversions between color formats Color schemes and shades for any color	Multiple color formats and composable commands
Works on one color at a time rather than building full palettes	A terminal workflow rather than a graphical design editor.
Web application	Downloadable app
Closed source	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	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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