Copyright © 2019 Apple Inc.

The files in this folder consist of sRGB primaries and secondaries at 100% saturation and 100% amplitude.

The theoretical (ideal) luminance and CIE 1931 x,y for Internet & Web (sRGB) reference mode are:

sRGB    x       y         cd/m^2
Red     0.64    0.33      17.01
Green   0.30    0.60      57.22
Blue    0.15    0.06      5.78
Cyan    0.2246  0.3287    62.99
Magenta 0.3209  0.1542    22.78
Yellow  0.4193  0.5053    74.22