Hex #80bb66 or rgb(128,187,102) in RGB space is the tint of grass green. It has hue angle of 101.65 degrees, value = 73 and saturation = 45. #80bb66 can be obtained by mixing 3 colors: 5 drops of yellow, 3 drops of blue, 2 drops of cyan.
Nearest safe hex - #99cc66. Below you can see the block with #80bb66 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80bb66 to the mixer and play with it.