Hex #554f1c or rgb(85,79,28) in RGB space is the tint of yellow. It has hue angle of 53.68 degrees, value = 33 and saturation = 67. #554f1c can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of red, 1 drop of cyan, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #554f1c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #554f1c to the mixer and play with it.