PWC Payne's Gray (Winsor & Newton Watercolor)Payne's Gray Payne's Gray is a dark blue grey made from a mixture of Ultramarine, Mars Black and sometimes Crimson. It was named after the 18th c. water colourist William Payne who created the mixture and often recommended it to his students as an alternative to plain black. About This Color Lightfastness Code: II Lightfastness Description: Very Good Opacity Description: Semi Opaque Colour Number: 465 Series: 1 Pigment Codes: PB15 PBk6 PV19