Hex #554539 or rgb(85,69,57) in RGB space is the tint of orange. It has hue angle of 25.71 degrees, value = 33 and saturation = 33. #554539 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 3 drops of green, 1 drop of black.
Nearest safe hex - #663333. Below you can see the block with #554539 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554539 to the mixer and play with it.