β
Gunmetal
#507070

#507070
Primary red
50₁₆ = 80
80/255 ≈ 31 %
Primary green
70₁₆ = 112
112/255 ≈ 44 %
Primary blue
70₁₆ = 112
112/255 ≈ 44 %
Basic colors
80/255 ≈ 31 % 32/255 ≈ 13 % 143/255 ≈ 56 %