Resist printing agent for printing of Reactive dyes (di chloro cyanuric type e.g. Procion dyes of H series) as illuminating colours, under reactive dyes (Vinyl Sulphone type e.g. Remazol dyes) as ground colours. Dark colours like black, coffee, olive green, navy etc. can be used as ground shades and bright red, orange, yellow, crimsons etc. can be overprinted as illuminating shades.