These extra-fine watercolors span the color spectrum from the historical to natural earth and quinacridones. Outstanding color strength, extremely vibrant colors and excellent brushing properties make these paints desirable for any watercolor artist. The pigments are proPrimaTek Watercolors are made from naturally occuring pigments, reviving the tradition of making paints the way the Egyptians and other cultures did but with modern technology. Sourced by geologists, these unique pigments have amazing and interesting granulating properties.cured from every continent except Antarctica, and the paints are manufactured in Seattle, Washington.