Hex #557c00 or rgb(85,124,0) in RGB space is the tint of lime. It has hue angle of 78.87 degrees, value = 49 and saturation = 100. #557c00 can be obtained by mixing 3 colors: 4 drops of yellow, 3 drops of green, 5 drops of black.
Nearest safe hex - #666600. Below you can see the block with #557c00 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #557c00 to the mixer and play with it.