β
Gunmetal
#515d5e

#515d5e
Primary red
51₁₆ = 81
81/255 ≈ 32 %
Primary green
5D₁₆ = 93
93/255 ≈ 36 %
Primary blue
5E₁₆ = 94
94/255 ≈ 37 %
Basic colors
81/255 ≈ 32 % 12/255 ≈ 5 % 1/255 ≈ 0 % 161/255 ≈ 63 %