About Course
Choose colours that everyone can read. Learn the WCAG contrast ratios for text and interface elements, how to check them, why colour must never be the only way to convey information, and how to build an accessible colour palette for documents, slides, websites and charts.
Contrast ratios in this course were calculated with the WCAG formula; always check your own colours with a contrast checker. This course is general guidance, not legal advice on accessibility compliance.
Course Content
Course Lessons
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Why colour and contrast matter
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Contrast ratios in practice
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Never rely on colour alone
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Building an accessible palette
Sources & Further Reading
Final Assessment
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