We nominated sustainable dye pioneers Colorifix for a £1m Earthshot Prize. They were selected from more than 1,000 amazing environmental solutions as a finalist but narrowly missed out on the big prize. The company’s founder and Chief Scientific Officer, Jim Ajioka, sat down with CEO Lee and his deputy, Neil, to discuss the history of textile and colour, Colorifix’s IP journey and why Lee can’t dye white leather winkle-picker shoes yellow.