Hex #808263 or rgb(128,130,99) in RGB space is the tint of yellow. It has hue angle of 63.87 degrees, value = 51 and saturation = 24. #808263 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of blue, 4 drops of white, 5 drops of black.
Nearest safe hex - #999966. Below you can see the block with #808263 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #808263 to the mixer and play with it.