β
Slate
#666676

#666676
Primary red
66₁₆ = 102
102/255 ≈ 40 %
Primary green
66₁₆ = 102
102/255 ≈ 40 %
Primary blue
76₁₆ = 118
118/255 ≈ 46 %
Basic colors
102/255 ≈ 40 % 16/255 ≈ 6 % 137/255 ≈ 54 %