Three colours (Blue, Yellow and Turquoise) Precipitating Magenta

Bridget Riley (b. 1931) Three colours (Blue, Yellow and Turquoise) Precipitating Magenta signed, titled and dated 'three colours, (Blue, Yellow and Turquoise) precipitating Magenta. Bridget Riley '82' (lower left) gouache on paper 45 ½ x 33 5/8in. (115.5 x 85.4cm.) Executed in 1982