Hex #808547 or rgb(128,133,71) in RGB space is the tint of yellow. It has hue angle of 64.84 degrees, value = 52 and saturation = 47. #808547 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 3 drops of green, 1 drop of white.
Nearest safe hex - #999933. Below you can see the block with #808547 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #808547 to the mixer and play with it.