β
Sea
#539b9b

#539b9b
Primary red
53₁₆ = 83
83/255 ≈ 33 %
Primary green
9B₁₆ = 155
155/255 ≈ 61 %
Primary blue
9B₁₆ = 155
155/255 ≈ 61 %
Basic colors
83/255 ≈ 33 % 72/255 ≈ 28 % 100/255 ≈ 39 %