Hex #aa821d or rgb(170,130,29) in RGB space is the tint of khaki. It has hue angle of 42.98 degrees, value = 67 and saturation = 83. #aa821d can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of red, 1 drop of blue, 1 drop of black.
Nearest safe hex - #999933. Below you can see the block with #aa821d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa821d to the mixer and play with it.