Hex #554a40 or rgb(85,74,64) in RGB space is the tint of orange. It has hue angle of 28.57 degrees, value = 33 and saturation = 25. #554a40 can be obtained by mixing 4 colors: 4 drops of red, 3 drops of cyan, 1 drop of green, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #554a40 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554a40 to the mixer and play with it.