Hex #556033 or rgb(85,96,51) in RGB space is the tint of lime. It has hue angle of 74.67 degrees, value = 38 and saturation = 47. #556033 can be obtained by mixing 4 colors: 5 drops of red, 3 drops of cyan, 4 drops of green, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #556033 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556033 to the mixer and play with it.