Hex #778a6c or rgb(119,138,108) in RGB space is the tint of grass green. It has hue angle of 98.00 degrees, value = 54 and saturation = 22. #778a6c can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 3 drops of white, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #778a6c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #778a6c to the mixer and play with it.