<sod>As "RAL 840-HR" covered only matte paint the 1980s saw the invention of "RAL 841-GL" for glossy surfaces, limited to 193 colours.<ref>{{cite web|title=The RAL CLASSIC Colour Collection|url=http://www.ral-farben.de/en/PRODUCTS-SHOP/RAL-CLASSIC/|accessdate=15 June 2016}}</ref> A main criterion for colours in the RAL Classic collection is to be of "paramount interest". Therefore most of the colours in it are used on warning and [[traffic sign]]s or are dedicated to government agencies and public services (for example: RAL 1004 - Swiss [[Postal Service]], RAL 1021 - Austrian Postal Service, RAL 1032 - German Postal Service).<ref>{{cite web|title=How is the RAL CLASSIC colour collection structured?|url=http://www.ral-farben.de/content/application-help/faqs/faqs-questions-about-ral-classic.html |accessdate=15 June 2016}}</ref> The first digit relates to the shade of the colour:<eod>
<sod>As "RAL 840-HR" covered only matte paint the 1980s saw the invention of "RAL 841-GL" for glossy surfaces, limited to 193 colours.<ref>{{cite web|title=The RAL CLASSIC Colour Collection|url=http://www.ral-farben.de/en/PRODUCTS-SHOP/RAL-CLASSIC/|accessdate=15 June 2016}}</ref> A main criterion for colours in the RAL Classic collection is to be of "paramount interest". Therefore, most of the colours in it are used on warning and [[traffic sign]]s or are dedicated to government agencies and public services (for example: RAL 1004 - Swiss [[Postal Service]], RAL 1021 - Austrian Postal Service, RAL 1032 - German Postal Service).<ref>{{cite web|title=How is the RAL CLASSIC colour collection structured?|url=http://www.ral-farben.de/content/application-help/faqs/faqs-questions-about-ral-classic.html |accessdate=15 June 2016}}</ref> The first digit relates to the shade of the colour:<eod>