Hex #aa9913 or rgb(170,153,19) in RGB space is the tint of yellow. It has hue angle of 53.25 degrees, value = 67 and saturation = 89. #aa9913 can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of red, 1 drop of blue, 2 drops of green.
Nearest safe hex - #999900. Below you can see the block with #aa9913 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa9913 to the mixer and play with it.