Use of Color

In short

Color is not the only visual means of conveying information or indicating an action.

How Percelia tests it

There is no reliable purely automated signal for this criterion. Percelia assesses it AI-assisted and routes it to human review.

This criterion is judgment-bound and is always put to a human reviewer at Percelia, even at high confidence.

Official source

W3C Understanding document (w3.org)

Criteria under the same guideline

• 1.4.2 Audio Control
• 1.4.3 Contrast (Minimum)
• 1.4.4 Resize Text
• 1.4.5 Images of Text
• 1.4.10 Reflow
• 1.4.11 Non-text Contrast
• 1.4.12 Text Spacing
• 1.4.13 Content on Hover or Focus