β
Gunmetal
#556a70

#556a70
Primary red
55₁₆ = 85
85/255 ≈ 33 %
Primary green
6A₁₆ = 106
106/255 ≈ 42 %
Primary blue
70₁₆ = 112
112/255 ≈ 44 %
Basic colors
85/255 ≈ 33 % 21/255 ≈ 8 % 6/255 ≈ 2 % 143/255 ≈ 56 %