β
Gunmetal
#516f72

#516f72
Primary red
51₁₆ = 81
81/255 ≈ 32 %
Primary green
6F₁₆ = 111
111/255 ≈ 44 %
Primary blue
72₁₆ = 114
114/255 ≈ 45 %
Basic colors
81/255 ≈ 32 % 30/255 ≈ 12 % 3/255 ≈ 1 % 141/255 ≈ 55 %