β
Purplish Gray
#645b74

#645b74
Primary red
64₁₆ = 100
100/255 ≈ 39 %
Primary green
5B₁₆ = 91
91/255 ≈ 36 %
Primary blue
74₁₆ = 116
116/255 ≈ 45 %
Basic colors
91/255 ≈ 36 % 9/255 ≈ 4 % 16/255 ≈ 6 % 139/255 ≈ 55 %