β
Gunmetal
#5b6c68

#5b6c68
Primary red
5B₁₆ = 91
91/255 ≈ 36 %
Primary green
6C₁₆ = 108
108/255 ≈ 42 %
Primary blue
68₁₆ = 104
104/255 ≈ 41 %
Basic colors
91/255 ≈ 36 % 13/255 ≈ 5 % 4/255 ≈ 2 % 147/255 ≈ 58 %