β
Black
#090018

#090018
Primary red
09₁₆ = 9
9/255 ≈ 4 %
Primary green
00₁₆ = 0
0/255 ≈ 0 %
Primary blue
18₁₆ = 24
24/255 ≈ 9 %
Basic colors
9/255 ≈ 4 % 15/255 ≈ 6 % 231/255 ≈ 91 %