RAL is a colour matching system used in Europe. 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 as well. Since correct "colour-communication" is of extreme importance to achieve correct matching of colours original RAL products are provided with a hologram as of early 2013. Imitations may show different hue and colour when observed under various light sources.
