Hex #8f8540 or rgb(143,133,64) in RGB space is the tint of khaki. It has hue angle of 52.41 degrees, value = 56 and saturation = 55. #8f8540 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of red, 4 drops of cyan, 3 drops of black.
Nearest safe hex - #999933. Below you can see the block with #8f8540 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8f8540 to the mixer and play with it.