Hex #718968 or rgb(113,137,104) in RGB space is the tint of grass green. It has hue angle of 103.64 degrees, value = 54 and saturation = 24. #718968 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of red, 4 drops of blue, 1 drop of cyan.
Nearest safe hex - #669966. Below you can see the block with #718968 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #718968 to the mixer and play with it.