Visualization VocabularyDataviz vocabulary

color

APCA

also: accessible perceptual contrast algorithm

Text-background contrast measure grounded in perception rather than a plain luminance ratio.

APCA

Mesure de contraste texte-fond fondée sur la perception plutôt que sur un simple rapport de luminance.

Corrige les défauts du rapport de contraste WCAG 2, notamment sur les textes clairs sur fond sombre.

Classification

  • color

Attestation

Sources (6)

Cite this entry

Stable addresshttps://dataviz.adrientaudiere.com/en/term/apca.html

ReferenceTaudière Adrien. 2026. APCA. In Visualization Vocabulary, version 1.0.0. IdEst. https://dataviz.adrientaudiere.com/en/term/apca.html

BibTeX
@incollection{taudiere2026-apca,
  author    = {Taudière, Adrien},
  title     = {APCA},
  booktitle = {Visualization Vocabulary},
  year      = {2026},
  version   = {1.0.0},
  publisher = {IdEst},
  url       = {https://dataviz.adrientaudiere.com/en/term/apca.html},
  note      = {CC0 1.0}
}

Page created on 2026-10-13. Text last changed on 2026-11-10. Numbers computed on 2026-10-22.