Colour Revolution, the autumn exhibition at the University of Oxford’s Ashmolean Museum, presents a dazzling version of the Victorian world, perhaps unexpectedly one of the most colourful periods in art history. The exhibition dispels the myth that the Victorian era was a dreary landscape of ‘dark Satanic mills’ and cities choked with smog. Instead, it shows how developments in art, science and technology resulted in an explosion of colour that was embraced by artists, designers...