Hex #788673 or rgb(120,134,115) in RGB space is the tint of grass green. It has hue angle of 104.21 degrees, value = 53 and saturation = 14. #788673 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 5 drops of white, 5 drops of black.
Nearest safe hex - #669966. Below you can see the block with #788673 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #788673 to the mixer and play with it.