Guideline 1.4 - Distinguishable


Make it easier for users to see and hear content including separating foreground from background.

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

Does an element’s hover state have to reach 3:1 contrast ratio?

I have a dropdown list with black text in a form. Does the background bar on the hover states as you hover over each selection option require a 3.1 contrast ratio against the white container background, or can I use a light gray background bar...

  • contrast
  • hover state

Does WCAG allow autoplay of videos?

Does WCAG 2.1 allow autoplay of videos, as long as no sound is played? Do these videos not require controls at all, as long as they are shorter than 5 seconds? Or does WCAG 2.1 require controls for any videos - regardless of length and...

  • audio
  • video
  • wcag