Hex #553c2b or rgb(85,60,43) in RGB space is the tint of orange. It has hue angle of 24.29 degrees, value = 33 and saturation = 49. #553c2b can be obtained by mixing 4 colors: 1 drop of red, 3 drops of magenta, 4 drops of green, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #553c2b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553c2b to the mixer and play with it.