Hex #aa8b39 or rgb(170,139,57) in RGB space is the tint of khaki. It has hue angle of 43.54 degrees, value = 67 and saturation = 66. #aa8b39 can be obtained by mixing 3 colors: 1 drop of yellow, 1 drop of magenta, 1 drop of green.
Nearest safe hex - #999933. Below you can see the block with #aa8b39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aa8b39 to the mixer and play with it.