Hex #508e35 or rgb(80,142,53) in RGB space is the tint of grass green. It has hue angle of 101.80 degrees, value = 56 and saturation = 63. #508e35 can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 4 drops of green, 2 drops of black.
Nearest safe hex - #669933. Below you can see the block with #508e35 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #508e35 to the mixer and play with it.