There were seven categories of norn colouration (translated links are in parentheses): * Blauer Planet (Blue Planet) * Glitzer-Disco (Glitter Disco) * Grüne Insel (Green Island) * Herbstgarten (Autumn Garden) * Lila Traumland (Lilac Dreamland) * Rosarote Wolke (Rose-pink Cloud) * Villa Kunterbunt (House of Many Colours) As mentioned in the overview (translation), the entries could be natural or genetically engineered.