Hex #508450 or rgb(80,132,80) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 52 and saturation = 39. #508450 can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of blue, 3 drops of cyan, 5 drops of black.
Nearest safe hex - #669966. Below you can see the block with #508450 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #508450 to the mixer and play with it.