Hex #508235 or rgb(80,130,53) in RGB space is the tint of grass green. It has hue angle of 98.96 degrees, value = 51 and saturation = 59. #508235 can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #508235 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #508235 to the mixer and play with it.