Phthalo Blue is a deep intense blue which when undiluted, forms an inky blue-black. It is made from the modern pigment Phthalocyanine which was introduced in the 1930s. Bright and beautiful, this affordable range of 47 colors is perfect for artists who need large quantities of color. All of the tones have been carefully made to bring out the best of each pigment, so you can create bold and vibrant artworks. We think you’ll be very pleased with the results.