Hex #b68737 or rgb(182,135,55) in RGB space is the tint of khaki. It has hue angle of 37.80 degrees, value = 71 and saturation = 70. #b68737 can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of red, 3 drops of cyan, 1 drop of black.
Nearest safe hex - #cc9933. Below you can see the block with #b68737 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b68737 to the mixer and play with it.