Hex #8e8139 or rgb(142,129,57) in RGB space is the tint of khaki. It has hue angle of 50.82 degrees, value = 56 and saturation = 60. #8e8139 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 3 drops of blue, 1 drop of black.
Nearest safe hex - #999933. Below you can see the block with #8e8139 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8e8139 to the mixer and play with it.