{
"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": "NamingSystem-color-rgb.json",
"package_name": "hl7.terminology.r5",
"date": "2026-06-08T00:00:00-00:00",
"publisher": "World Wide Web Consortium (W3C)",
"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": null,
"resourceType": "NamingSystem",
"title": "RGB Values for Color",
"package_version": "7.2.0",
"responsible": "World Wide Web Consortium (W3C)",
"status": "active",
"id": "2e6da467-3d54-43fc-8850-ccad8a9acc2a",
"kind": "codesystem",
"url": "http://terminology.hl7.org/NamingSystem/color-rgb",
"uniqueId": [ {
"type": "uri",
"value": "http://terminology.hl7.org/CodeSystem/color-rgb",
"preferred": true
}, {
"type": "oid",
"value": "2.16.840.1.113883.4.642.4.2121",
"preferred": true
}, {
"type": "uri",
"value": "http://hl7.org/fhir/color-rgb",
"comment": "The URI for this code system when it was published as part of the FHIR core specification."
} ],
"version": "20260630",
"contact": [ {
"telecom": [ {
"value": "https://www.w3.org/",
"system": "url"
} ]
} ]
}