β
Gunmetal
#576e74

#576e74
Primary red
57₁₆ = 87
87/255 ≈ 34 %
Primary green
6E₁₆ = 110
110/255 ≈ 43 %
Primary blue
74₁₆ = 116
116/255 ≈ 45 %
Basic colors
87/255 ≈ 34 % 23/255 ≈ 9 % 6/255 ≈ 2 % 139/255 ≈ 55 %