Hex #80814e or rgb(128,129,78) in RGB space is the tint of yellow. It has hue angle of 61.18 degrees, value = 51 and saturation = 40. #80814e can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #999966. Below you can see the block with #80814e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80814e to the mixer and play with it.