β
Slate Green
#639b7b

#639b7b
Primary red
63₁₆ = 99
99/255 ≈ 39 %
Primary green
9B₁₆ = 155
155/255 ≈ 61 %
Primary blue
7B₁₆ = 123
123/255 ≈ 48 %
Basic colors
99/255 ≈ 39 % 24/255 ≈ 9 % 32/255 ≈ 13 % 100/255 ≈ 39 %