Hex #778d77 or rgb(119,141,119) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 55 and saturation = 16. #778d77 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of red, 3 drops of blue, 5 drops of cyan.
Nearest safe hex - #669966. Below you can see the block with #778d77 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #778d77 to the mixer and play with it.