Picker Color, Hex Color, Rgb Color
Differences between RGB and CMYK color schemes - GeeksforGeeks
CIELAB color space - Wikipedia
File:Rgb-colorwheel.svg - Wikimedia Commons
Color theory
Release notes/1.2 - Inkscape Wiki
File:3-Level-RGB-Colors.svg - Wikipedia
File:Rgb-colorwheel.svg - Wikimedia Commons
Color Harmony with RYB - darktable
Release notes/1.2 - Inkscape Wiki
Supporting Material Vol 1 - Colourful Language