Daniel Smith Extra Fine Watercolor Sticks offer the same superior intensity as the Daniel Smith line of Extra Fine Watercolor paints with the convenience and portability of half pans. Each stick is packed with pure pigment and produces vibrant strong color when wet or use them dry to build texture. They’re highly reactive with water and release rich creamy colors. Hansa Yellow Medium is a high-tinting semi-transparent organic pigment. Considered the 'perfect yellow' Hansa Yellow Medium offers more control when mixing.