Pointillism is a technique of painting in which small, distinct dots of color are applied in patterns to form an image.
Detail from Seurat's Parade de cirque, 1889, showing the contrasting dots of paint which define Pointillism
Paul Signac, Femmes au Puits, 1892, showing a detail with constituent colors. Musée d'Orsay, Paris
Henri-Edmond Cross, L'air du soir, c.1893, Musée d'Orsay
Vincent van Gogh, Self Portrait, 1887, using pointillist technique.
Georges Pierre Seurat was a French post-Impressionist artist. He devised the painting techniques known as chromoluminarism and pointillism and used conté crayon for drawings on paper with a rough surface.
Seurat in 1888
Georges Seurat, 1889–90, Le Chahut, oil on canvas, 170 x 141 cm, Kröller-Müller Museum, Otterlo
Bathers at Asnières, 1884, oil on canvas, 201 × 301 cm, National Gallery, London
Jeune femme se poudrant (Young Woman Powdering Herself), 1888–1890, oil on canvas, 95.5 x 79.5 cm, Courtauld Institute of Art