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Creating accessible images and infographics is a complex process and there is a lot of variability. How you create an accessible version will depend on the final format your image or infographic takes.
Consider the following accessibility best practices when creating your image or infographic:
Make sure there is enough colour contrast between the foreground and background content. Follow the guidelines below to select a colour palette that is accessible to your users.
The purpose of alternative text (alt-text) is to provide a description of the key content or function of an image. It is essential for users who can't see images. Images without alt-text are not accessible to people who are visually impaired.
1. Be specific:
2. Keep it short:
3. Use plain text:
If the image is a chart, diagram, or illustration, add succinct alt-text conveying the content or function. If more space is needed, additional information can be included in a table or text nearby the image.
A transcript is a text description of an infographic that screen readers can understand. Transcripts for infographics provide text-equivalent information for the visually impaired who wouldn’t be able to access it otherwise. A transcript can be presented in the following ways:
Best practices for creating an infographic transcript:
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