Hex #665011 or rgb(102,80,17) in RGB space is the tint of khaki. It has hue angle of 44.47 degrees, value = 40 and saturation = 83. #665011 can be obtained by mixing 4 colors: 4 drops of red, 1 drop of blue, 4 drops of green, 1 drop of black.
Nearest safe hex - #666600. Below you can see the block with #665011 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665011 to the mixer and play with it.