description: This extension groups the Foreground, Background and Highlight color extensions into a single extension. When rendering foreground and background colors, the implementer SHOULD not use the same foreground and background colors and instead should algorithmically determine a high color contrast.
package_name: hl7.fhir.us.insurance-card.r4
derivation: constraint
name: ColorPalette
type: Extension
elements:
  extension:
    type: Extension
    url: http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-ForegroundColor-extension
    index: 0
    slicing:
      slices:
        C4DIC-ForegroundColor-extension:
          match: {}
          schema: {type: Extension, url: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-ForegroundColor-extension', index: 0}
          min: 0
          max: 1
        C4DIC-BackgroundColor-extension:
          match: {}
          schema: {type: Extension, url: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-BackgroundColor-extension', index: 1}
          min: 0
          max: 1
        C4DIC-HighlightColor-extension:
          match: {}
          schema: {type: Extension, url: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-HighlightColor-extension', index: 2}
          min: 0
          max: 1
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-ColorPalette-extension'}
    index: 3
  value:
    choices: []
    index: 5
package_version: 1.1.0
extensions:
  C4DIC-ForegroundColor-extension: {url: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-ForegroundColor-extension', min: 0, max: 1, type: Extension, index: 0}
  C4DIC-BackgroundColor-extension: {url: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-BackgroundColor-extension', min: 0, max: 1, type: Extension, index: 1}
  C4DIC-HighlightColor-extension: {url: 'http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-HighlightColor-extension', min: 0, max: 1, type: Extension, index: 2}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/insurance-card/StructureDefinition/C4DIC-ColorPalette-extension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.1.0