Hex #80bf6e or rgb(128,191,110) in RGB space is the tint of grass green. It has hue angle of 106.67 degrees, value = 75 and saturation = 42. #80bf6e can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of blue, 4 drops of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #80bf6e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80bf6e to the mixer and play with it.