Paua (#1F005E) and Rich black (#010203) appear together across 2 master palettes in our corpus, most prominently in the work of Bart van der Leck and the De Stijl (Neoplasticism) tradition. Painters typically deployed paua at an average of 6% of the canvas, with rich black at 14%. Third colors most often completing the combination include Maximum blue purple (#ACACE6), Jonquil (#F4CA16), and Queen pink (#E8CCD7).