β
Gunmetal
#405f57

#405f57
Primary red
40₁₆ = 64
64/255 ≈ 25 %
Primary green
5F₁₆ = 95
95/255 ≈ 37 %
Primary blue
57₁₆ = 87
87/255 ≈ 34 %
Basic colors
64/255 ≈ 25 % 23/255 ≈ 9 % 8/255 ≈ 3 % 160/255 ≈ 63 %