Principle 1 – Perceivable

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Conformance Levels

Description

Information and user interface components must be presentable to users in ways they can perceive.

Questions & Answers

Does dynamically changing text color meet accessibility requirements?

My website has text that changes color as you scroll. Text at the bottom of the screen is lightly colored, and is below minimum contrast. However, as the user scrolls, the text becomes darker and meets minimum contrast once it reaches the top half of...

  • contrast
  • interactive
  • text

When can text links have 3:1 color contrast?

Some sites say link text color contrast should be 4.5:1, and some sites say link text color contrast should be 3:1. When is 3:1 color contrast sufficient for link text?

  • contrast ratios
  • links
  • text