Why artist and curator David Sequeira doesn't believe in just a 'pop of colour'.
How a colour-blind artist adapted to colours he couldn't perceive. And how glasses that allow colour-deficient people to see the full spectrum of colours, work.
Plus, Daniel chats to V&A curator Catlin Langford about her book on the mania for Autochrome, an early colour photography process invented by the Lumière brothers.