HL7 Terminology (THO)
7.2.0 - Publication International flag

This page is part of the HL7 Terminology (v7.2.0: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions

NamingSystem: RGB Values for Color

Official URL: http://terminology.hl7.org/NamingSystem/color-rgb Version: 20260630
Active as of 2026-06-08 Responsible: World Wide Web Consortium (W3C) Computable Name: ColorRGB

Copyright/Legal: Copyright ©2026 World Wide Web Consortium. W3C® liability, trademark and permissive document license rules apply.

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).

Language: en

Summary

Defining URLhttp://terminology.hl7.org/NamingSystem/color-rgb
Version20260630
NameColorRGB
TitleRGB Values for Color
Statusactive
Definition

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).

PublisherWorld Wide Web Consortium (W3C)
Copyright

Copyright ©2026 World Wide Web Consortium. W3C® liability, trademark and permissive document license rules apply.

Identifiers

TypeValuePreferredComment
URIhttp://terminology.hl7.org/CodeSystem/color-rgbtrue
OID2.16.840.1.113883.4.642.4.2121true
URIhttp://hl7.org/fhir/color-rgbThe URI for this code system when it was published as part of the FHIR core specification.

History

DateActionCustodianAuthorComment
2026-06-13createDEVMichael FaughnMove CS and VS for color to THO from FHIR core; up-810