Hex #aaac8e or rgb(170,172,142) in RGB space is the tint of yellow. It has hue angle of 64.00 degrees, value = 67 and saturation = 17. #aaac8e can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 5 drops of blue, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #aaac8e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaac8e to the mixer and play with it.