ChromaticityPlot

ChromaticityPlot[colspace] plots a 2D slice of the color space colspace.

ChromaticityPlot[color] plots the specific color.

ChromaticityPlot[{col1, col2, ...}] plots multiple colors and color spaces.

Examples

Plot the sRGB color space:

ChromaticityPlot["sRGB"]

Plot specific colors:

ChromaticityPlot[{Red, Green, Blue}]

Please visit the official Wolfram Language Reference for more details.