Hex #665533 or rgb(102,85,51) in RGB space is the tint of khaki. It has hue angle of 40.00 degrees, value = 40 and saturation = 50. #665533 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of magenta, 2 drops of blue, 4 drops of black.
Nearest safe hex - #666633. Below you can see the block with #665533 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665533 to the mixer and play with it.