β
Gunmetal
#576660

#576660
Primary red
57₁₆ = 87
87/255 ≈ 34 %
Primary green
66₁₆ = 102
102/255 ≈ 40 %
Primary blue
60₁₆ = 96
96/255 ≈ 38 %
Basic colors
87/255 ≈ 34 % 9/255 ≈ 4 % 6/255 ≈ 2 % 153/255 ≈ 60 %