β
Gunmetal
#556b64

#556b64
Primary red
55₁₆ = 85
85/255 ≈ 33 %
Primary green
6B₁₆ = 107
107/255 ≈ 42 %
Primary blue
64₁₆ = 100
100/255 ≈ 39 %
Basic colors
85/255 ≈ 33 % 15/255 ≈ 6 % 7/255 ≈ 3 % 148/255 ≈ 58 %