Hex #808837 or rgb(128,136,55) in RGB space is the tint of yellow. It has hue angle of 65.93 degrees, value = 53 and saturation = 60. #808837 can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of red, 3 drops of cyan, 4 drops of green.
Nearest safe hex - #999933. Below you can see the block with #808837 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #808837 to the mixer and play with it.