Hex #556c13 or rgb(85,108,19) in RGB space is the tint of lime. It has hue angle of 75.51 degrees, value = 42 and saturation = 82. #556c13 can be obtained by mixing 3 colors: 3 drops of red, 1 drop of blue, 5 drops of green.
Nearest safe hex - #666600. Below you can see the block with #556c13 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556c13 to the mixer and play with it.