Hex #80ac75 or rgb(128,172,117) in RGB space is the tint of grass green. It has hue angle of 108.00 degrees, value = 67 and saturation = 32. #80ac75 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 3 drops of green, 3 drops of white.
Nearest safe hex - #999966. Below you can see the block with #80ac75 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80ac75 to the mixer and play with it.