Viridian is a cool blue green. Non-staining mixtures and transparent glazes can be produced with ease with this pigment. Viridian can modify reds and make limitless combinations with Quinacridones colours. This paint is an ideal addition to any portrait painter’s palette.Phthalo Green (Blue Shade) is a deep intense green with a blue undertone. A transparent and super staining green, this colour is ideal for glazes whether dark, luminous or clean.