1.4 Distinguishable
Make it easier for users to see and hear content including separating foreground from background.
1.4.1 Use of Color
Conformance level: A
Do not use color as the only visual means of conveying information.
1.4.2 Audio Control
Conformance level: A
Provide a mechanism to stop, pause, or control the volume of audio that plays automatically.
1.4.3 Contrast (Minimum)
Conformance level: AA
Ensure sufficient contrast between text and background.
1.4.4 Resize Text
Conformance level: AA
Allow text to be resized up to 200% without loss of content or functionality.
1.4.5 Images of Text
Conformance level: AA
Use text instead of images of text.
1.4.6 Contrast (Enhanced)
Conformance level: AAA
Provide a higher contrast ratio for text and images of text.
1.4.7 Low or No Background Audio
Conformance level: AAA
Ensure that audio content has no or low background noise.
1.4.8 Visual Presentation
Conformance level: AAA
Offer users the ability to control foreground and background colors, line spacing, and width of blocks of text.
1.4.9 Images of Text (No Exception)
Conformance level: AAA
Avoid images of text in all circumstances.
1.4.10 Reflow
Conformance level: AA
Ensure content reflows to fit a viewport without requiring horizontal scrolling.
1.4.11 Non-text Contrast
Conformance level: AA
Ensure sufficient contrast for user interface components and graphical objects.
1.4.12 Text Spacing
Conformance level: AA
Ensure content is readable and operable when users adjust spacing.
Note - this criterion doesn't necessarily require you to have these sizes in use but it requires that you allow the user to change them according to their needs.
1.4.13 Content on Hover or Focus
Conformance level: AA
Ensure that additional content triggered by hover or focus is dismissible, hoverable, and persistent.