Hex #768c6f or rgb(118,140,111) in RGB space is the tint of grass green. It has hue angle of 105.52 degrees, value = 55 and saturation = 21. #768c6f can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of green, 5 drops of white, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #768c6f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #768c6f to the mixer and play with it.