That's true. And I will add that the viewable color gamut of a display can be depicted with a simple triangle on the xyY plot. All you need to know are the thre

That's true. And I will add that the viewable color gamut of a display can be depicted with a simple triangle on the xyY plot. All you need to know are the three chromaticity values for the reg, green and blue phosphors — they make up the three corners of the triangle.