Hex #b18a42 or rgb(177,138,66) in RGB space is the tint of khaki. It has hue angle of 38.92 degrees, value = 69 and saturation = 63. #b18a42 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of magenta, 1 drop of blue, 3 drops of green.
Nearest safe hex - #999933. Below you can see the block with #b18a42 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b18a42 to the mixer and play with it.