β
Gunmetal
#576b61

#576b61
Primary red
57₁₆ = 87
87/255 ≈ 34 %
Primary green
6B₁₆ = 107
107/255 ≈ 42 %
Primary blue
61₁₆ = 97
97/255 ≈ 38 %
Basic colors
87/255 ≈ 34 % 10/255 ≈ 4 % 10/255 ≈ 4 % 148/255 ≈ 58 %