β
Gunmetal
#40635f

#40635f
Primary red
40₁₆ = 64
64/255 ≈ 25 %
Primary green
63₁₆ = 99
99/255 ≈ 39 %
Primary blue
5F₁₆ = 95
95/255 ≈ 37 %
Basic colors
64/255 ≈ 25 % 31/255 ≈ 12 % 4/255 ≈ 2 % 156/255 ≈ 61 %