Hex #55551d or rgb(85,85,29) in RGB space is the tint of yellow. It has hue angle of 60.00 degrees, value = 33 and saturation = 66. #55551d can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of magenta, 3 drops of green, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #55551d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55551d to the mixer and play with it.