Grumbacher Academy Oil Paint, 37 ml/1.25 oz, French Ultramarine Blue A crisp, cool blue that is a staple in primary palettes. Creates beautiful violets when mixed with cool reds, especially with Alizarin Crimson, and makes brilliant greens when mixed with cool yellows like Zinc or Lemon. Retains brightness in tints with a moderate tinting strength due to its semi-opaque nature Color is made with finely ground pigment and has an ASTM lightfast rating of 1-Excellent; Made in USA Smooth, rich paint is highly pigmented and has superior tinting strength at a single student price The non-metallic colors in the Academy Oil student line correlate to the Pre-tested professional line, allowing students to graduate to a professional grade paint with ease