Hex #607556 or rgb(96,117,86) in RGB space is the tint of grass green. It has hue angle of 100.65 degrees, value = 46 and saturation = 26. #607556 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of red, 4 drops of blue, 1 drop of green.
Nearest safe hex - #666666. Below you can see the block with #607556 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #607556 to the mixer and play with it.