Hex #aaa288 or rgb(170,162,136) in RGB space is the tint of khaki. It has hue angle of 45.88 degrees, value = 67 and saturation = 20. #aaa288 can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of red, 5 drops of cyan, 3 drops of white.
Nearest safe hex - #999999. Below you can see the block with #aaa288 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaa288 to the mixer and play with it.