Hex #55604c or rgb(85,96,76) in RGB space is the tint of olive. It has hue angle of 93.00 degrees, value = 38 and saturation = 21. #55604c can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 2 drops of blue, 4 drops of green.
Nearest safe hex - #666633. Below you can see the block with #55604c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55604c to the mixer and play with it.