Hex #55544c or rgb(85,84,76) in RGB space is the tint of yellow. It has hue angle of 53.33 degrees, value = 33 and saturation = 11. #55544c can be obtained by mixing 4 colors: 2 drops of red, 1 drop of magenta, 3 drops of blue, 3 drops of green.
Nearest safe hex - #666633. Below you can see the block with #55544c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55544c to the mixer and play with it.