β
Gunmetal
#556b67

#556b67
Primary red
55₁₆ = 85
85/255 ≈ 33 %
Primary green
6B₁₆ = 107
107/255 ≈ 42 %
Primary blue
67₁₆ = 103
103/255 ≈ 40 %
Basic colors
85/255 ≈ 33 % 18/255 ≈ 7 % 4/255 ≈ 2 % 148/255 ≈ 58 %