β
Shaded Gray
#666768

#666768
Primary red
66₁₆ = 102
102/255 ≈ 40 %
Primary green
67₁₆ = 103
103/255 ≈ 40 %
Primary blue
68₁₆ = 104
104/255 ≈ 41 %
Basic colors
102/255 ≈ 40 % 1/255 ≈ 0 % 1/255 ≈ 0 % 151/255 ≈ 59 %