Hex #78764b or rgb(120,118,75) in RGB space is the tint of yellow. It has hue angle of 57.33 degrees, value = 47 and saturation = 38. #78764b can be obtained by mixing 4 colors: 3 drops of red, 4 drops of green, 5 drops of white, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #78764b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #78764b to the mixer and play with it.