NCS English English English Wikipedia Natural Color System English English English English NCS Wikipedia http://en.wikipedia.org/wiki/Natural_Color_System English NCS color system NCS English NCS color system English Natural Color System English English Natural Color System English Scandinavian Colour Institute Natural Colour System NCS Natural Color System English English Scandinavian Colour Institute English Natural Colour System Natural Color System http://en.wikipedia.org/wiki/Natural_Color_System English Natural Colour System English English Natural Color System http://en.wikipedia.org/wiki/Natural_Color_System English NSC English English Full article ▸ English NCS color system English NCS (natural colour system) English English