<status value="active"/> <experimental value="false"/> <date value="2026-06-18T18:31:46+00:00"/> <publisher value="World Wide Web Consortium (W3C)"/> <contact> <telecom> <system value="url"/> <value value="https://www.w3.org/"/> </telecom> </contact> <description value="RGB values for color. Valid codes are #RRGGBB where RR, GG, and BB are two letter hex codes, values 00..ff. Codes are case insensitive. This code system does not define the 16 million+ valid RGB codes (terminology servers will need code to support the RGB grammar)."/> <copyright value="[Copyright](https://www.w3.org/copyright/software-license-2023/) ©2026 World Wide Web Consortium. W3C® liability, trademark and permissive document license rules apply."/> <caseSensitive value="false"/> <compositional value="true"/> <content value="not-present"/> </CodeSystem>

Generated Narrative: CodeSystem color-rgb

This case-insensitive code system http://terminology.hl7.org/CodeSystem/color-rgb defines codes, but no codes are represented here