β
Gunmetal
#455b5a

#455b5a
Primary red
45₁₆ = 69
69/255 ≈ 27 %
Primary green
5B₁₆ = 91
91/255 ≈ 36 %
Primary blue
5A₁₆ = 90
90/255 ≈ 35 %
Basic colors
69/255 ≈ 27 % 21/255 ≈ 8 % 1/255 ≈ 0 % 164/255 ≈ 64 %