Hex #808239 or rgb(128,130,57) in RGB space is the tint of yellow. It has hue angle of 61.64 degrees, value = 51 and saturation = 56. #808239 can be obtained by mixing 3 colors: 1 drop of yellow, 2 drops of magenta, 3 drops of green.
Nearest safe hex - #999933. Below you can see the block with #808239 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #808239 to the mixer and play with it.