A graphical color picker for the CIELAB color space that allows conversion to and from RGB values, and adjustment of hue and saturation mapped onto the CIELAB color space.
Installation via pip:
[sudo] pip[3] install labrat
If you use Arch Linux or a derivative, you may also install via the AUR package.
usage: labrat [-h] [--version]
optional arguments:
-h, --help show this help message and exit
--version show program's version number and exit