Seldom used at full tube strength, this transparent non-staining pigment is an excellent glazing pigment and a portrait painter's essential. It's a cool blue-green useful in mixing without staining other pigment particles and for soft edges in floral work. It is the secret hidden ingredient in Moonglow. Viridian can quickly modify reds, but in combination with the Quinacridones, its versatility has multiplied. Light fastness: Excellent Non-Staining Granulation: Yes Transparent