β
Gunmetal
#405a61

#405a61
Primary red
40₁₆ = 64
64/255 ≈ 25 %
Primary green
5A₁₆ = 90
90/255 ≈ 35 %
Primary blue
61₁₆ = 97
97/255 ≈ 38 %
Basic colors
64/255 ≈ 25 % 26/255 ≈ 10 % 7/255 ≈ 3 % 158/255 ≈ 62 %