β
Slate Green
#637b5b

#637b5b
Primary red
63₁₆ = 99
99/255 ≈ 39 %
Primary green
7B₁₆ = 123
123/255 ≈ 48 %
Primary blue
5B₁₆ = 91
91/255 ≈ 36 %
Basic colors
91/255 ≈ 36 % 8/255 ≈ 3 % 24/255 ≈ 9 % 132/255 ≈ 52 %