Hex #80b677 or rgb(128,182,119) in RGB space is the tint of grass green. It has hue angle of 111.43 degrees, value = 71 and saturation = 35. #80b677 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 4 drops of green, 4 drops of white.
Nearest safe hex - #99cc66. Below you can see the block with #80b677 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b677 to the mixer and play with it.