β
Slate Green
#637863

#637863
Primary red
63₁₆ = 99
99/255 ≈ 39 %
Primary green
78₁₆ = 120
120/255 ≈ 47 %
Primary blue
63₁₆ = 99
99/255 ≈ 39 %
Basic colors
99/255 ≈ 39 % 21/255 ≈ 8 % 135/255 ≈ 53 %