β
Slate Green
#637c66

#637c66
Primary red
63₁₆ = 99
99/255 ≈ 39 %
Primary green
7C₁₆ = 124
124/255 ≈ 49 %
Primary blue
66₁₆ = 102
102/255 ≈ 40 %
Basic colors
99/255 ≈ 39 % 3/255 ≈ 1 % 22/255 ≈ 9 % 131/255 ≈ 51 %