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. Lysekthet (ASTM) I Arkivbestandighet A Pigment(er) PB29, Pbk6 Transparens/Opasitet O