Hex #777f00 or rgb(119,127,0) in RGB space is the tint of yellow. It has hue angle of 63.78 degrees, value = 50 and saturation = 100. #777f00 can be obtained by mixing 4 colors: 5 drops of yellow, 2 drops of red, 4 drops of green, 4 drops of black.
Nearest safe hex - #666600. Below you can see the block with #777f00 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #777f00 to the mixer and play with it.