Daniel Smith Luminescent watercolours, unlike anything ever seen in watercolour, simulate the glitter of a watery surface or the lustre of mother-of-pearl. They're made from mica pigment, thin transparent particles coated with highly reflective metal oxides. Duochrome watercolours alternate between two distinct colours depending on the reflective light. Duochrome Cabo Blue adds a third reflective colour shifting from blue to metallic gold, then finishing with a shimmering metallic blue.