A very nice RAL-RGB relation is given in the following thread. [URL]http://groups.google.com/group/comp.cad.solidworks/browse_thread/thread/bffc0f5b937d8119/5c1372c22c0d96f7[/URL] Thanks to Ronni Nielsen. If any one want to refine it further please visit [URL]http://www.easyrgb.com/[/URL] to get more precise RGB values. if do not want to take so much trouble but have extra $, software is available [URL]http://www.dtpstudio.de/english/index.htm[/URL] also at above site. Happy Rendering.