β
Gunmetal
#455a51

#455a51
Primary red
45₁₆ = 69
69/255 ≈ 27 %
Primary green
5A₁₆ = 90
90/255 ≈ 35 %
Primary blue
51₁₆ = 81
81/255 ≈ 32 %
Basic colors
69/255 ≈ 27 % 12/255 ≈ 5 % 9/255 ≈ 4 % 165/255 ≈ 65 %