Hex #879d7d or rgb(135,157,125) in RGB space is the tint of grass green. It has hue angle of 101.25 degrees, value = 62 and saturation = 20. #879d7d can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of magenta, 5 drops of cyan, 3 drops of green.
Nearest safe hex - #999966. Below you can see the block with #879d7d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #879d7d to the mixer and play with it.