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WAI: Strategies, guidelines, resources to make the Web accessible to people with disabilities

Technique List

Techniques used to satisfy 1.4.3 (Contrast (Minimum)
Technique Technology Implementations
Ensuring that a contrast ratio of at least 3:1 exists between text (and images of text) and background behind the text General 6
Not specifying background color, not specifying text color, and not using technology features that change those defaults General 1
Providing a control with a sufficient contrast ratio that allows users to switch to a presentation that uses sufficient contrast General 1
Ensuring that a contrast ratio of at least 5:1 exists between text (and images of text) and background behind the text General 7