β
Gunmetal
#515a5d

#515a5d
Primary red
51₁₆ = 81
81/255 ≈ 32 %
Primary green
5A₁₆ = 90
90/255 ≈ 35 %
Primary blue
5D₁₆ = 93
93/255 ≈ 36 %
Basic colors
81/255 ≈ 32 % 9/255 ≈ 4 % 3/255 ≈ 1 % 162/255 ≈ 64 %