The contrast requirements for text also apply to images of text (text that has been rendered into pixels and then stored in an image format) - see - Success Criterion 1.4.5: Images of Text. + Success Criterion 1.4.5 Images of Text.
This requirement applies to situations in which images of text were intended to be - understood as text. Incidental text, such as in photographs that happen to include + understood as text, which includes text in videos. Incidental text, such as in photographs that happen to include a street sign, are not included. Nor is text that for some reason is designed to be invisible to all viewers. Stylized text, such as in corporate logos, should be treated in terms of its function on the page, which may or may not warrant including the content in the text alternative. Corporate visual guidelines beyond logo and logotype are not included in the exception. -
In this provision there is an exception that reads "that are part of a picture that diff --git a/understanding/20/contrast-minimum.html b/understanding/20/contrast-minimum.html index 51e92e7551..138a0be09d 100644 --- a/understanding/20/contrast-minimum.html +++ b/understanding/20/contrast-minimum.html @@ -113,7 +113,7 @@
This success criterion applies to text in the page, including - placeholder text and text that is shown when a pointer is hovering over an object + placeholder text, text in videos, and text that is shown when a pointer is hovering over an object or when an object has keyboard focus. If any of these are used in a page, the text needs to provide sufficient contrast.