β
Gunmetal
#515e63

#515e63
Primary red
51₁₆ = 81
81/255 ≈ 32 %
Primary green
5E₁₆ = 94
94/255 ≈ 37 %
Primary blue
63₁₆ = 99
99/255 ≈ 39 %
Basic colors
81/255 ≈ 32 % 13/255 ≈ 5 % 5/255 ≈ 2 % 156/255 ≈ 61 %