Winsor & Newton Designers gouache is perfect for artists and professional designers looking for vibrant, bold results. With this paint you opt for an opaque layer with a matte finish. Gouache paint is watercolour, which is more opaque than watercolour. Want more texture? Then you can dilute the paint with water. The different shades of Winsor & Newton qouache paint can be mixed with each other. This tube contains the colour 599 sap green.