Hex #718a71 or rgb(113,138,113) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 54 and saturation = 18. #718a71 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of cyan, 3 drops of white, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #718a71 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #718a71 to the mixer and play with it.