Let’s dive into why colour contrast matters and how you can use it to enhance your PowerPoint slides.
What is Contrast?
Why Color Contrast is Essential
Accessibility and Colour Contrast Guidelines
Here are the key WCAG criteria for colour contrast:
- Minimum Contrast: Text and visuals should maintain a minimum contrast ratio of 4.5:1 to ensure clarity and readability.
- Enhanced Contrast: Normal text requires a ratio of 7:1, while large text needs 4.5:1.
- Non-text Contrast: UI components and graphical elements should have a contrast ratio of at least 3:1.



