Hex #80b664 or rgb(128,182,100) in RGB space is the tint of grass green. It has hue angle of 99.51 degrees, value = 71 and saturation = 45. #80b664 can be obtained by mixing 3 colors: 3 drops of yellow, 2 drops of blue, 1 drop of cyan.
Nearest safe hex - #99cc66. Below you can see the block with #80b664 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b664 to the mixer and play with it.