Hex #778055 or rgb(119,128,85) in RGB space is the tint of lime. It has hue angle of 72.56 degrees, value = 50 and saturation = 34. #778055 can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #669966. Below you can see the block with #778055 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #778055 to the mixer and play with it.