8.5. Select a style for the captions that makes them readable

Whenever closed captions are displayed, the contrast between the text and the video in the background must be sufficient.

Tip

For example, add a black background for white closed captions, or a dark outline for clear text, in order to ensure readability in all circumstances.

Closed captions with a white type and black outline, for example, ensure that text is readable in all contexts.
A background that is opaque or semi-transparent also ensures that the text is easily read.

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