UI elements fallback content (fallback-content)

Non-text elements must have a descriptive fallback content.

This canvas violation has an aria-labelledby. Please note that an aria-label can also be used instead.

No fallback in UI canvas:

This UI <canvas> has non-descriptive fallback content:


Color Wheel Picker

You are a robot.

Selected color: RGB(128, 128, 128)

Note: Impossible to implement because it requires using AI / human to determine whether the canvas element has user interface, and then ensuring that fallback content is descriptive.

axe detected: none  |  QualWeb detected: none