Hex #aaa613 or rgb(170,166,19) in RGB space is the tint of yellow. It has hue angle of 58.41 degrees, value = 67 and saturation = 89. #aaa613 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 1 drop of magenta, 3 drops of green.
Nearest safe hex - #999900. Below you can see the block with #aaa613 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaa613 to the mixer and play with it.