CIE Chromaticity Diagram describes color as seen by the human eye in full daylight. Two-dimensional diagram of colors with same brightness (intensity). All colors of visible spectrum are represented. Stock Vector
File:CIE1931 rgxy.png - Wikimedia Commons
The Chromaticity Diagram - YouTube
Color online) 1931 CIE xyY chromaticity diagram. The color gamut... | Download Scientific Diagram