Hex #80810e or rgb(128,129,14) in RGB space is the tint of yellow. It has hue angle of 60.52 degrees, value = 51 and saturation = 89. #80810e can be obtained by mixing 4 colors: 5 drops of yellow, 1 drop of magenta, 2 drops of green, 4 drops of black.
Nearest safe hex - #999900. Below you can see the block with #80810e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80810e to the mixer and play with it.