Hex #80d155 or rgb(128,209,85) in RGB space is the tint of grass green. It has hue angle of 99.19 degrees, value = 82 and saturation = 59. #80d155 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of blue, 2 drops of cyan, 1 drop of green.
Nearest safe hex - #99cc66. Below you can see the block with #80d155 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80d155 to the mixer and play with it.