Bridget Riley is a pioneering British artist best known for her role in the Op Art movement, which gained prominence in the 1960s. Her work explores the dynamic relationship between perception and visual experience, often creating optical illusions that seem to vibrate, shimmer, or move across the canvas. Riley’s early black-and-white paintings, such as Movement in Squares (1961), exemplify her fascination with geometry and the interaction of shapes and spaces. These pieces play with depth and motion, engaging viewers in a highly active visual process.

In the late 1960s, Riley began to incorporate color into her work, expanding the emotional and perceptual range of her compositions. Inspired by the color theories of artists like Georges Seurat and the Impressionists, she developed complex arrangements of colored stripes and curves that challenge the viewer’s eye and create a sense of rhythm and flow. Her precise, methodical approach belies the spontaneous feeling of movement in her paintings, which seem to pulse with energy despite being entirely static.

Riley’s influence extends far beyond the gallery space. Her work has inspired fashion, design, and architecture, and she remains a key figure in contemporary abstract art. Throughout her career, she has emphasized the viewer's role in completing the artwork—her pieces are not just seen, but experienced. By manipulating basic visual elements, Bridget Riley continues to push the boundaries of perception and redefine the possibilities of optical art.