Audio Guidelines Ratio Structure 
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OCTOBER 9, 2023
For instance, you could: Evaluate various aspects of your website against industry-standard checklists such as the Web Content Accessibility Guidelines (WCAG) 2.1. checklist recommends color contrast ratios of 4.5:1 Transcripts of audio-only content. The WCAG 2.1 1 for regular copy and 3:1 for headings or large text.
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FEBRUARY 1, 2023
The generally recommended contrast ratios are 4.5:1 You can find a variety of tools online to help you check contrast ratios and test whether your website provides a positive user experience for colour blind audiences. 1 for standard text and 3:1 for headings and graphics. Use coloured overlays when displaying text over photos.
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