Hex #556526 or rgb(85,101,38) in RGB space is the tint of lime. It has hue angle of 75.24 degrees, value = 40 and saturation = 62. #556526 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 5 drops of green, 1 drop of black.
Nearest safe hex - #666633. Below you can see the block with #556526 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #556526 to the mixer and play with it.