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With the introduction of the Unison Heritage and Unison SmartLink Heritage architectural control stations, ETC aligned our faceplate coloring with the RAL color standards. Model # Suffix Color Name RAL Color -1 Cream RAL 9001 -2 Ivory RAL 1015 -3 Gray RAL 7001 -4 Black RAL 9004 -5 Signal White RAL 9003