apca-introduction

The missing introduction to APCA  https://p.ce9e.org/apca-introduction/
git clone https://git.ce9e.org/apca-introduction.git

commit
2968ef09f837dcfdca4b296133de8631ac788b93
parent
f36acc6c64f00132e9fa2c96bbddf7e361d89c5a
Author
Tobias Bengfort <tobias.bengfort@posteo.de>
Date
2025-03-21 08:17
APCA is no longer mentioned in the WCAG 3 draft

Diffstat

M README.md 14 ++++++++------

1 files changed, 8 insertions, 6 deletions


diff --git a/README.md b/README.md

@@ -7,9 +7,9 @@ is a new algorithm to estimate the visual contrast between two colors.
    7     7 It was developed to address some issues in earlier algorithms, especially for
    8     8 dark colors.
    9     9 
   10    -1 APCA was created by Andrew Somers (Myndex) and is currently being proposed for
   11    -1 the next major version of the [W3C Accessibility Guidelines
   12    -1 (WCAG)](https://www.w3.org/TR/wcag-3.0/).
   -1    10 APCA was created by Andrew Somers (Myndex) and was at some point in the
   -1    11 discussion for the next major version of the [W3C Accessibility Guidelines
   -1    12 (WCAG)](https://www.w3.org/TR/2021/WD-wcag-3.0-20211207/).
   13    13 
   14    14 An interactive demo is available at <https://xi.github.io/apca-introduction/tool/>.
   15    15 
@@ -81,9 +81,11 @@ Also see my [detailed analysis](analysis.md).
   81    81 ## Status
   82    82 
   83    83 WCAG is an important standard that is a normative part of many laws all over
   84    -1 the world. If APCA will be part of WCAG 3.0 it will have a huge impact.
   85    -1 However, currently both WCAG 3.0 and APCA are still in early development.
   86    -1 Neither is officially recommended by the W3C yet.
   -1    84 the world. If APCA will be part of WCAG 3 it will have a huge impact.
   -1    85 However, currently both WCAG 3 and APCA are still in early development.
   -1    86 Neither is officially recommended by the W3C yet. Also, any mention of APCA has
   -1    87 been [removed](https://github.com/w3c/silver/commit/d5b364de1004d76caa7ddc42c0e48860fef3730d)
   -1    88 from the WCAG 3 draft in 2023.
   87    89 
   88    90 Evaluating a contrast algorithm is extremly difficult because contrast
   89    91 perception varies from person to person and also depends on the lighting