Llibre d'observació i atenció que, a cada pàgina, dóna instruccions al lector per saber com ha de barrejar els colors.
Colors SAP Fiori for iOS Design Guidelines
Flexible colors and themes for data visualizations, by Miru
Color Palette Popular Colors Color Chart Patterns And Names Rgb Hex Html Vector Color Stock Illustration - Download Image Now - iStock
The Colors of the Rainbow for Designers
Color Names: List Of Colors In English With The Picture Color names chart, Color palette challenge, Pantone color chart
Named colors
color - Wiktionary, the free dictionary
Everything You Need To Know About COLORS
The Psychology of Color in Web Design
Primary color - Simple English Wikipedia, the free encyclopedia
How Your Website's Colors Influence Your Click Rate