Who was the inspiration behind Francis Bacon 's series of paintings that began in 1957 ?
For " Last Tango in Paris " , Bertolucci and Storaro took inspiration from Bacon 's paintings by using " rich oranges , light and cool grays , icy whites , and occasional reds combine with Bertolucci 's own tasteful choices of soft browns , blond browns , and delicate whites with bluish and pink shadings .