Hex #55522b or rgb(85,82,43) in RGB space is the tint of yellow. It has hue angle of 55.71 degrees, value = 33 and saturation = 49. #55522b can be obtained by mixing 3 colors: 1 drop of yellow, 1 drop of white, 4 drops of black.
Nearest safe hex - #666633. Below you can see the block with #55522b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55522b to the mixer and play with it.