Hex #9f8540 or rgb(159,133,64) in RGB space is the tint of khaki. It has hue angle of 43.58 degrees, value = 62 and saturation = 60. #9f8540 can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of red, 4 drops of cyan, 2 drops of black.
Nearest safe hex - #999933. Below you can see the block with #9f8540 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9f8540 to the mixer and play with it.