{
  "description": "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).",
  "_filename": "CodeSystem-color-rgb.json",
  "package_name": "hl7.terminology.r4",
  "date": "2026-07-27T09:27:31+10:00",
  "publisher": "World Wide Web Consortium (W3C)",
  "content": "not-present",
  "name": "ColorRGB",
  "copyright": "[Copyright](https://www.w3.org/copyright/software-license-2023/) ©2026 World Wide Web Consortium. W3C® liability, trademark and permissive document license rules apply.",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "RGB Values for Color",
  "package_version": "7.3.0",
  "compositional": true,
  "status": "active",
  "id": "a770614d-4fd3-499a-8590-879d32608a1f",
  "kind": null,
  "url": "http://terminology.hl7.org/CodeSystem/color-rgb",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.2121",
    "system": "urn:ietf:rfc:3986"
  } ],
  "caseSensitive": false,
  "version": "20260630",
  "contact": [ {
    "telecom": [ {
      "value": "https://www.w3.org/",
      "system": "url"
    } ]
  } ]
}