β
Gunmetal
#556f68

#556f68
Primary red
55₁₆ = 85
85/255 ≈ 33 %
Primary green
6F₁₆ = 111
111/255 ≈ 44 %
Primary blue
68₁₆ = 104
104/255 ≈ 41 %
Basic colors
85/255 ≈ 33 % 19/255 ≈ 7 % 7/255 ≈ 3 % 144/255 ≈ 56 %