Table 1: CIE test colours [15].

No.Approximate munsell notationColour appearance under daylight

17.5 R 6/4Light greyish red
25 Y 6/4Dark greyish yellow
35 GY 6/8Strong yellow green
42.5 G 6/6Moderate yellowish green
510 BG 6/4Light bluish green
65 PB 6/8Light Blue
72.5 P 6/8Light violet
810 P 6/8Light reddish purple
94.5 R 4/13Strong red
105 Y 8/10Strong yellow
114.5 G 5/8Strong green
123 PB 3/11Strong blue
135 YR 8/4Light human complexion
145 GY 4/4Moderate olive green (leaf green)