β
Gunmetal
#375b60

#375b60
Primary red
37₁₆ = 55
55/255 ≈ 22 %
Primary green
5B₁₆ = 91
91/255 ≈ 36 %
Primary blue
60₁₆ = 96
96/255 ≈ 38 %
Basic colors
55/255 ≈ 22 % 36/255 ≈ 14 % 5/255 ≈ 2 % 159/255 ≈ 62 %