Hex #aaa88e or rgb(170,168,142) in RGB space is the tint of yellow. It has hue angle of 55.71 degrees, value = 67 and saturation = 16. #aaa88e can be obtained by mixing 3 colors: 1 drop of yellow, 5 drops of white, 3 drops of black.
Nearest safe hex - #999999. Below you can see the block with #aaa88e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaa88e to the mixer and play with it.