Hex #807940 or rgb(128,121,64) in RGB space is the tint of yellow. It has hue angle of 53.44 degrees, value = 50 and saturation = 50. #807940 can be obtained by mixing 4 colors: 5 drops of red, 2 drops of cyan, 4 drops of green, 1 drop of white.
Nearest safe hex - #996633. Below you can see the block with #807940 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #807940 to the mixer and play with it.