Hex #508350 or rgb(80,131,80) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 51 and saturation = 39. #508350 can be obtained by mixing 4 colors: 5 drops of red, 5 drops of cyan, 5 drops of green, 1 drop of black.
Nearest safe hex - #669966. Below you can see the block with #508350 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #508350 to the mixer and play with it.