Sennelier is a French manufacturing company of art materials, mostly famous for its hand selected pigments.

Gustave Sennelier opened this art supply store in 1887, near the famous Ecole des Beaux-Arts.

In 1949, Henri Sennelier, Gustave's son, created the first professional-quality oil pastel for Pablo Picasso.

[1] In addition to the aforementioned Cézanne, Gauguin, and Picasso, Vincent van Gogh was also known to have used Sennelier oil paint.

The range of dry pure pigments offered by the company is quite large, exceeding eighty colors.