This function uses a 10-bit look-up table with a palette of more than one billion colors to select the most appropriate 16.7 million colors for smooth display of color gradations without banding.
Look around and you may see a coffee-table resting on a Greek capital, a tiny Roman mosaic sprucing up the foyer, a spread of Phoenician statuettes and Byzantine coins strewn along the bookshelves or a discreet Crusader cannon in the courtyard.