Hex #708a6b or rgb(112,138,107) in RGB space is the tint of grass green. It has hue angle of 110.32 degrees, value = 54 and saturation = 22. #708a6b can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #669966. Below you can see the block with #708a6b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #708a6b to the mixer and play with it.