Hex #aaa580 or rgb(170,165,128) in RGB space is the tint of yellow. It has hue angle of 52.86 degrees, value = 67 and saturation = 25. #aaa580 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 4 drops of green, 4 drops of white.
Nearest safe hex - #999999. Below you can see the block with #aaa580 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaa580 to the mixer and play with it.