Colours included in the set shimmering blue shimmering red shimmering green shimmering gold velvet violet and black india fw artists ink is an acrylic based pigmented water resistant ink all of which have either a 3 or 4 star rating such a degree of lightfastness over such a range of fully intermixable colours makes them ideal for use by artists in the production of pictures for permanent display the inks being pigment based are strong and rugged colours can be substainally diluted