Hex #80b568 or rgb(128,181,104) in RGB space is the tint of grass green. It has hue angle of 101.30 degrees, value = 71 and saturation = 43. #80b568 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of blue, 3 drops of green, 3 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #80b568 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b568 to the mixer and play with it.