Hex #55552b or rgb(85,85,43) in RGB space is the tint of yellow. It has hue angle of 60.00 degrees, value = 33 and saturation = 49. #55552b can be obtained by mixing 4 colors: 4 drops of red, 2 drops of cyan, 3 drops of green, 3 drops of black.
Nearest safe hex - #666633. Below you can see the block with #55552b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55552b to the mixer and play with it.