Grumbacher Finest Watercolor Paint, 14 ml/0.47 oz, Ultramarine Blue The lightest of the Ultramarines has a mid-range Blue masstone that makes rich Blue washes that have no trace of Red in its undertone. It is slightly darker in Hue than Cobalt Blue Originally from the lapis lazuli stone, this vibrant blue is an essential of any artist's palette Formulated with premium-grade pigments uniformly combined in a balanced medium Ensures fluid, even washes; Perfect for plein air painting Excellent tinting strength; Made in USA