Bridget Riley is a painter whose work over the decades has obsessively explored optical illusion through form and colour. Her early style mimicked the impressionists and neo-impressionists, utilising techniques such as pointillism, and gave her a grounding in colour theory. An exhibition at the Courtauld Gallery in 2015 showed the connections between Riley’s work and Georges Seurat.

When she began making the gemotric optical illusion pieces that she is most famous for she initially worked only in black, white and greys. She only began introducing colour after a decade of painting. Riley travels widely and developed a colour palette based on the sights she saw in Egypt because she felt the colours ‘shimmered’. Her colours are luminous, because of her understanding of colour use from studying Seurat. She uses simultaneous contrast to create colour affects.

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