Hex #55731d or rgb(85,115,29) in RGB space is the tint of lime. It has hue angle of 80.93 degrees, value = 45 and saturation = 75. #55731d can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of magenta, 5 drops of green, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #55731d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55731d to the mixer and play with it.