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accessibility

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(Web) Accessibility or eAccessibility (often abbreviated to A11y — this is a numeronym, where the “11” stands for the 11 letters between the first letter “a” and the last letter “y”) is the practice of building inclusive spaces for different people, either by supporting the use of assistive technology (ALT text, ARIA HTML attributes, etc.) or by designing things with multiple ways to access them (color coding + text labels + icons, captions + sign language interpreter), keeping in mind different forms of impairments, disabilities, and difficulties—both temporary and permanent—, users of these space could face and might struggle with while using the space, which include:

  • Visual impairments, e.g.
    • <ul>

      <li>color blindness/color vision deficiency</li>

      <li>blindness/low vision/poor eyesight</li>

    </ul>
  • Motor/mobility, e.g.
    • <ul>

      <li>tremors</li>

      <li>loss of fine muscle control,</li>

    </ul>
  • Auditory impairment/hearing impairments, e.g.
    • <ul>

      <li>people who are hard of hearing</li>

      <li>deafness</li>

    </ul>
  • Seizures
  • Cognitive and intellectual, e.g.
    • <ul>

      <li>developmental disabilities</li>

      <li>learning difficulties (dyslexia, dyscalculia, etc.)</li>

      <li>cognitive disabilities (PTSD, Alzheimer’s)</li>

    </ul>

    Here are 421 public repositories matching this topic...

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    SAPC-APCA

    Myndex / SAPC-APCA

    Star 506

    APCA (Accessible Perceptual Contrast Algorithm) is a new method for predicting contrast for use in emerging web standards (WCAG 3) for determining readability contrast. APCA is derived form the SAPC (S-LUV Advanced Predictive Color) which is an accessibility-oriented color appearance model designed for self-illuminated displays.

    css color web accessibility srgb contrast vision wcag readability colorimetry color-contrast luminance color-theory color-contrast-checker wcag-contrast color-models cieluv contrast-calculator apca
    • Updated Apr 17, 2025
    • CSS
    lexica-ultralegible

    jacobxperez / lexica-ultralegible

    Sponsor
    Star 82

    Lexica Ultralegible builds on the foundation laid by Atkinson Hyperlegible but offers enhanced flexibility and usability across various applications. Including more glyphs supporting extra languages and additional typographic features like ligatures and alternative flipped zero.

    accessibility vietnamese typeface typography opentype readability legibility webfont sans-serif-typeface free-fonts low-vision inclusive-design sans-serif
    • Updated May 17, 2025
    • CSS

    puxl / puxl-framework

    Star 47

    PUXL framework is a free and open-source and eco-friendly library to create front-end Web interfaces. It helps you build accessible and responsive sites with lightweight HTML.

    javascript open-source documentation web accessibility css3 a11y vanilla-javascript css-framework vanilla-js free-software web-design ui-components mit-license accessible-colours web-development-tools ui-framework responsive-web-design accessibility-checker
    • Updated Aug 31, 2020
    • CSS

    Alejandroq12 / polyglot-talk

    Star 20

    As a polyglot who speaks French, Spanish, English, and Chinese, I am excited to share my experiences and insights on the importance of language learning in today's global society. In my talk, I will explore how learning multiple languages can broaden our perspectives, foster empathy and understanding, and open up new opportunities.

    javascript css html version-control accessibility dom-manipulation linters media-queries responsive-web-design event-listeners
    • Updated Sep 10, 2023
    • CSS
    Followers
    14 followers
    Website
    github.com/topics/web-accessibility
    Wikipedia
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    Related Topics

    accessibility-testing alt-text assistive-technology screen-reader wai-aria