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.


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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