β
Black
#040018

#040018
Primary red
04₁₆ = 4
4/255 ≈ 2 %
Primary green
00₁₆ = 0
0/255 ≈ 0 %
Primary blue
18₁₆ = 24
24/255 ≈ 9 %
Basic colors
4/255 ≈ 2 % 20/255 ≈ 8 % 231/255 ≈ 91 %