Hex #78775b or rgb(120,119,91) in RGB space is the tint of yellow. It has hue angle of 57.93 degrees, value = 47 and saturation = 24. #78775b can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of magenta, 5 drops of blue, 4 drops of green.
Nearest safe hex - #666666. Below you can see the block with #78775b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #78775b to the mixer and play with it.