Beatrice (1897) by Odilon Redon. Original from the Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Five Butterflies (1912) by Odilon Redon. Original from the National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Pansies (1905) by Odilon Redon. Original from the National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Beatrice (1897) by Odilon Redon. Original from the National Gallery of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
The Beach and the Falaise d'Amont (1885) by Claude Monet. Original from the Art Institute of Chicago. Digitally enhanced by… Free Image from public domain license 
Water Lilies (1840–1926) by Claude Monet. Original from the Art Institute of Chicago. Digitally enhanced by rawpixel. Free Image from public domain license 
Woman Lying on her Back, Partly Dressed (1904) by Gustav Klimt. Original from Yale University Art Gallery. Digitally enhanced… Free Image from public domain license