Hex #556b1c or rgb(85,107,28) in RGB space is the tint of lime. It has hue angle of 76.71 degrees, value = 42 and saturation = 74. #556b1c can be obtained by mixing 4 colors: 3 drops of red, 1 drop of cyan, 4 drops of green, 1 drop of black.
Nearest safe hex - #666633. Below you can see the block with #556b1c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556b1c to the mixer and play with it.