https://color.adobe.com/create/color-wheel
Fundamentals of understanding color theory
https://99designs.com/blog/tips/the-7-step-guide-to-understanding-color-theory
Color Matching Game
http://color.method.ac/
Color Relativity
http://colorisrelative.com/bwbox.html
Color IQ test
http://xritephoto.com/color-iq-test
http://qz.com/571947/video-this-is-the-factory-where-colorcomes-from
https://www.youtube.com/watch?v=hkqMzLR8kS8
(Color and legibility/ Foreground-Background relationship)
https://inkbotdesign.com/colors-and-typography
https://color.adobe.com/create
The Elements of Color
by Johannes Itten
https://www.goodreads.com/author/show/243696.Johannes_Itten
Interaction of Color: 50th Anniversary Edition
by Josef Albers
https://www.amazon.com/Interaction-Color-Anniversary-Josef-Albers/dp/0300179359/ref=pd_lpo_sbs_14_t_0?_encoding=UTF8&psc=1&refRID=YQVYZJYH289BYQ327WD4
https://apps.apple.com/us/app/interaction-of-color-trial/id664296461
