Hex #55492b or rgb(85,73,43) in RGB space is the tint of khaki. It has hue angle of 42.86 degrees, value = 33 and saturation = 49. #55492b can be obtained by mixing 4 colors: 1 drop of red, 1 drop of green, 1 drop of white, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #55492b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55492b to the mixer and play with it.