Hex #aaa780 or rgb(170,167,128) in RGB space is the tint of yellow. It has hue angle of 55.71 degrees, value = 67 and saturation = 25. #aaa780 can be obtained by mixing 3 colors: 1 drop of yellow, 3 drops of white, 2 drops of black.
Nearest safe hex - #999999. Below you can see the block with #aaa780 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaa780 to the mixer and play with it.