Hex #897f3b or rgb(137,127,59) in RGB space is the tint of khaki. It has hue angle of 52.31 degrees, value = 54 and saturation = 57. #897f3b can be obtained by mixing 4 colors: 5 drops of red, 1 drop of cyan, 5 drops of green, 2 drops of white.
Nearest safe hex - #996633. Below you can see the block with #897f3b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #897f3b to the mixer and play with it.