Hex #80c166 or rgb(128,193,102) in RGB space is the tint of grass green. It has hue angle of 102.86 degrees, value = 76 and saturation = 47. #80c166 can be obtained by mixing 3 colors: 1 drop of red, 5 drops of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #80c166 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80c166 to the mixer and play with it.