Hex #55723f or rgb(85,114,63) in RGB space is the tint of olive. It has hue angle of 94.12 degrees, value = 45 and saturation = 45. #55723f can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of blue, 1 drop of cyan, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #55723f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55723f to the mixer and play with it.