Hex #5b775b or rgb(91,119,91) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 47 and saturation = 24. #5b775b can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of red, 5 drops of cyan, 4 drops of black.
Nearest safe hex - #666666. Below you can see the block with #5b775b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b775b to the mixer and play with it.