Cotman Watercolour Half Pan Metallic Sr.2 330-Iridescent White | | Winsor & Newton

new metallic watercolor colors that give your color iridescence. they can be used either mixed with watercolor paints or added as an iridescent layer on top of the color. a perfect color for subtle iridescence when superimposed on other colors and for coloring other colors to make them iridescent and lighter when mixed.