Hex #8b6a2f or rgb(139,106,47) in RGB space is the tint of khaki. It has hue angle of 38.48 degrees, value = 55 and saturation = 66. #8b6a2f can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of red, 3 drops of blue, 2 drops of black.
Nearest safe hex - #996633. Below you can see the block with #8b6a2f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b6a2f to the mixer and play with it.