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Pastel vs Coulr: catalog facts
Pastel	Coulr
Free The open-source application is available without a license fee.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Linux
Multiple color formats and composable commands	Screen color picker built in Quick conversion between RGB and hex
A terminal workflow rather than a graphical design editor.	Linux only Few features beyond conversion and picking
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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