Package `colorblind` by Simon Pfahler
https://github.com/simon-pfahler/colorblind/issues

History
=======
2026/01/19 v1.2.1
* Fix: v1.2 did not handle the optional argument of the `\color` command
* Minor changes to documentation

2026/01/06 v1.2
* Issue warning when undefined standard colors are used
* Add CMYK color definitions

2024/12/23 v1.1
* Redefine default colors unless the option `keep-defaults` is specified
* Refactor documentation
* Minor bug fixes

2024/05/16 v1.0.1
* Add package options `pgf` and `no-tikz` to give more control over which
packages are loaded

2024/05/12 v1.0
* Initial published release