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Battleship Gray
#637e78

#637e78
Primary red
63₁₆ = 99
99/255 ≈ 39 %
Primary green
7E₁₆ = 126
126/255 ≈ 49 %
Primary blue
78₁₆ = 120
120/255 ≈ 47 %
Basic colors
99/255 ≈ 39 % 21/255 ≈ 8 % 6/255 ≈ 2 % 129/255 ≈ 51 %