Hex #80d066 or rgb(128,208,102) in RGB space is the tint of grass green. It has hue angle of 105.28 degrees, value = 82 and saturation = 51. #80d066 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 4 drops of cyan, 1 drop of green.
Nearest safe hex - #99cc66. Below you can see the block with #80d066 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80d066 to the mixer and play with it.