a11y-contrast
apca-w3
| a11y-contrast | apca-w3 | |
|---|---|---|
| 1 | 1 | |
| 31 | 140 | |
| - | - | |
| 5.9 | 5.1 | |
| 3 months ago | 8 months ago | |
| JavaScript | JavaScript | |
| MIT License | GNU General Public License v3.0 or later |
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a11y-contrast
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USWDS: The United States Web Design System
> Especially the contrast/magic number discussion.
From a developer perspective, working with color palettes with defined "magic numbers" is really great. I have written a blog post [1] around this topic and wrote a tool [2] to calculate/ensure accessible magic numbers for color palettes.
[1] https://darekkay.com/blog/accessible-color-palette/
[2] https://github.com/darekkay/a11y-contrast
apca-w3
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Please Stop Using Grey Text
Note the licensing note in the repository[1] of the APCA™ index the author’s company[2] promotes:
> The files currently in this repository are presently considered pre-release, and as such do not have a permanent license attached. In this repositiory, all files present are under a time-barred beta license, and intended for use with web-based content only, and not for any other use without written permission.
The non-pre-release stuff[3] offered to W3C is better but still seems to be intended to end up non-FOSS:
> Files in this repository are licensed to the W3/AGWG under their cooperative agreement for use with WCAG accessibility guidelines for web-based content only, and not for any other use.
(The question being, of course, how much of this is copyrightable at all.)
[1] https://github.com/Myndex/SAPC-APCA/
[2] https://www.myndex.com/CVD/
[3] https://github.com/Myndex/apca-w3/
What are some alternatives?
random-colors-palette
csscolorparser - Go (Golang) CSS color parser library
leonardo - Generate colors based on a desired contrast ratio
rainbow - Rainbow — Accessibility Contrast Tool for Text on Images
csscolorparser-rs - Rust CSS color parser library
gifa11y - Gifa11y is a customizable vanilla javascript plugin that easily adds accessible play/pause buttons to animated GIFs.
csstree - A tool set for CSS including fast detailed parser, walker, generator and lexer based on W3C specs and browser implementations