Hex #554939 or rgb(85,73,57) in RGB space is the tint of orange. It has hue angle of 34.29 degrees, value = 33 and saturation = 33. #554939 can be obtained by mixing 4 colors: 3 drops of red, 2 drops of cyan, 1 drop of green, 3 drops of black.
Nearest safe hex - #663333. Below you can see the block with #554939 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554939 to the mixer and play with it.