In colloquial speech RAL refers to the RAL Classic system, mainly used for varnish and powder coating but nowadays there are reference panels for plastics ral color code chart pdf well. Approved RAL products are provided with a hologram as of early 2013 to make unauthorised versions difficult to produce.
Imitations may show different hue and colour when observed under various light sources. Prior to that date manufacturers and customers had to exchange samples to describe a tint, whereas from then on they would rely on numbers. With tints constantly added to the collection, it was revised again in 1961 and changed to “RAL 840-HR”, which consists of 210 colors and is in use to this day.