Pierre-Auguste Renoir, or more commonly Auguste Renoir, was an Impressionist painter. His early work was influenced by Claude Monet and Eugene Delacroix. Paintings in the Louvre also influenced him. Some frequently used themes in his paintings are outdoor scenes, real life scenarios, young girls, women and flowers. Warm colors dominated his paintings. You can identify a Renoir painting based on the many visible brushstrokes. Many of his paintings include girls or women and are filled with pretty colors that make you feel happy.