Hex #80ce63 or rgb(128,206,99) in RGB space is the tint of grass green. It has hue angle of 103.74 degrees, value = 81 and saturation = 52. #80ce63 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #80ce63 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80ce63 to the mixer and play with it.