Light and lighting in fashion and textile design generally relate to the viewing and production of a fashion or textile collection in daylight, or integrating LEDs, electro-luminescent wires, and optical fibres in the structures of fabrics to create a light-emitting fashion or textile collection. This ignores the potential that coloured light as material for design can bring into these disciplines. This paper aims to investigate coloured light as a material for design in relation both to physical environments and immersive virtual reality, and to develop design methods for fashion and textile design that could lead to a re-learning of coloured light as a material for design for developing novel artistic expressions. The first series of expe...