Hex #5b8b55 or rgb(91,139,85) in RGB space is the tint of green. It has hue angle of 113.33 degrees, value = 55 and saturation = 39. #5b8b55 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of blue, 2 drops of cyan, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #5b8b55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b8b55 to the mixer and play with it.