β
Gunmetal
#576667

#576667
Primary red
57₁₆ = 87
87/255 ≈ 34 %
Primary green
66₁₆ = 102
102/255 ≈ 40 %
Primary blue
67₁₆ = 103
103/255 ≈ 40 %
Basic colors
87/255 ≈ 34 % 15/255 ≈ 6 % 1/255 ≈ 0 % 152/255 ≈ 60 %