Table 4.

CIE (1931), Y,x,y chromaticity coordinates of the focal stimuli

Stimulus name	Y	x	y
Red	9.86	0.556	0.309
Yellow	48.54	0.464	0.435
Green	16.24	0.294	0.575
Blue	9.86	0.202	0.228
Pink	48.54	0.374	0.325
Purple	5.38	0.277	0.171
Orange	35.37	0.525	0.417
Brown	5.38	0.497	0.391