Hex #9f8440 or rgb(159,132,64) in RGB space is the tint of khaki. It has hue angle of 42.95 degrees, value = 62 and saturation = 60. #9f8440 can be obtained by mixing 3 colors: 3 drops of red, 3 drops of green, 2 drops of white.
Nearest safe hex - #999933. Below you can see the block with #9f8440 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #9f8440 to the mixer and play with it.