Series 3Rublev Colours Watercolors are made with the same pigments used by watercolor masters of the 17th to 19th centuries. The colors are genuine single pigment paints available individually in tubes and cakes. Apply Rublev Colours watercolor paint on paper or other absorbent surfaces prepared to accept water-borne paint. Clean up is easy with soap and water.

Prussian Blue is an intense deep blue color used by watercolorists since its inception in the 18th century. Often called the first of the modern pigments, Prussian blue was introduced in the early 1700s.