Hex #555347 or rgb(85,83,71) in RGB space is the tint of khaki. It has hue angle of 51.43 degrees, value = 33 and saturation = 16. #555347 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of magenta, 4 drops of blue, 4 drops of black.
Nearest safe hex - #666633. Below you can see the block with #555347 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #555347 to the mixer and play with it.