Hex #555947 or rgb(85,89,71) in RGB space is the tint of lime. It has hue angle of 73.33 degrees, value = 35 and saturation = 20. #555947 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of red, 5 drops of blue, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #555947 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555947 to the mixer and play with it.