Hex #80ac6d or rgb(128,172,109) in RGB space is the tint of grass green. It has hue angle of 101.90 degrees, value = 67 and saturation = 37. #80ac6d can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of magenta, 5 drops of cyan, 4 drops of green.
Nearest safe hex - #999966. Below you can see the block with #80ac6d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80ac6d to the mixer and play with it.