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University Libraries Accessibility Resources

What is Visual Accessibility?

"Visual disabilities range from mild or moderate vision loss in one or both eyes (“low vision”) to substantial and uncorrectable vision loss in both eyes (“blindness”). Some people have reduced or lack of sensitivity to certain colors (“color blindness”), or increased sensitivity to bright colors. These variations in perception of colors and brightness can be independent of the visual acuity."

From W3C Web Accessibility Initiative, "Diverse Abilities and Barriers."

Designing for users with low vision

Do

  • use good contrasts and a readable font size
  • publish all information on web pages (HTML)
  • use a combination of colour, shapes and text
  • follow a linear, logical layout -and ensure text flows and is visible when text is magnified to 200%
  • put buttons and notifications in context

Don't

  • use low colour contrasts and small font size
  • bury information in downloads
  • only use colour to convey meaning
  • spread content all over a page -and force user to scroll horizontally when text is magnified to 200%
  • separate actions from their context

This poster is made available by UK Home Office via a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International licence

Visual Accessibility Resources

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