Daniel Smith Sap Green(PO48, PY150, PG7)is a bright yellow-green that mixes well with most pigments. Blend with French Ultramarine to create forest shadows or with Burnt Sienna and Burnt Orange to produce warmer toned greens. Sap Green can be lifted with knife to form blades of grass of with a sponge to create natural looking textures. Daniel Smith's goal is to make the painting process as memorable as your finished masterpiece. Daniel Smith have spent eighteen years developing the finest and most complete line of watercolour paint so you can create your own unique vision. Today, just like in 1993, these watercolours are 'formulated to meet and exceed the highest industry standards for the manufacture of artist??' s paints', and every batch made is tested and analyzed for its performance qualities.