Hex #553215 or rgb(85,50,21) in RGB space is the tint of orange. It has hue angle of 27.19 degrees, value = 33 and saturation = 75. #553215 can be obtained by mixing 4 colors: 4 drops of red, 1 drop of cyan, 2 drops of green, 5 drops of black.
Nearest safe hex - #663300. Below you can see the block with #553215 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #553215 to the mixer and play with it.