Winsor and Newton - Artist Acrylic Colour - 60 ml - Yellow Iron Oxide - After extensive research and development, Winsor and Newton is proud to present the brightest ever range of Artists Acrylic. By combining our world-beating colour making experience with the latest developments in resin technology Winsor and Newton have taken brilliance to a new level. And thats not all. Not only are these colours brilliant when wet but they remain as bright when dry - so what you see is what you get. Winsor and Newton have also formulated Artists Acrylic to have a longer working time on the palette without compromising the convenient drying time of acrylics. Winsor and Newton Artists Acrylic range consists of 80 colours spread across the widest palette, using single pigments wherever possible to provide the brightest and strongest colours. The range also includes 17 exciting new colours, further increasing the number of unique pigments available to acrylic painters.