Glossary of Color Management Terms, courtesy of Sappi North America
Arnaud Frich, Introduction to Color Management (nine-part educational series).
Paper Mill Store article on Additive and Subtractive Color (part 4 of a series on color).
w3schools.com Color Converter, one of many online color model converters (e.g., CMYK, RGB, Hex) written for Web developers, but generally useful for multi-channel designers. (Note: This is NOT a color management tool.)
The official website of the International Color Consortium (ICC).
Graphic Arts Magazine article on Expanded Colour Gamut, March 17, 2017.