Grumbacher Academy Oil Paint, 37 ml/1.25 oz, Sap Green" /> A workhorse on the painters palette, Sap Green is a neutral green with yellow undertones that can easily shift to warm or cool depending on the colors it is mixed with Semi-opaque with a moderate tinting strength, Sap Green is a staple mixing green for colors in the natural world as it has a slight muted quality that still maintains chroma in tints and shades 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