Hex #55624c or rgb(85,98,76) in RGB space is the tint of olive. It has hue angle of 95.45 degrees, value = 38 and saturation = 22. #55624c can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of red, 4 drops of blue, 2 drops of green.
Nearest safe hex - #666633. Below you can see the block with #55624c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55624c to the mixer and play with it.