Find Winsor & Newton® Professional Water Colour™ Paint, 5mL at Michaels. An unparalleled line of watercolor, Winsor & Newton professional water color paint has been formulated to offer artists a unique, complete palette of colors that will suit any level of work. As one of the most popular painting mediums, watercolors give artists of all skill levels the ability to create deep yet delicate effects of light and texture in their artwork.