6. Images

6.1 All images, graphics, icons, form image buttons, image map hotspots, etc. have appropriate, equivalent alternative text (alt tag). Images that do not contain important content and are merely decorative are given null alt tags.

• WCAG 2.1 guideline 1.1.1 (Level A)

6.2 Color should not be used alone to convey identifying content.

• WCAG 2.1 guideline 1.4.1 (Level A)

6.3 Images of text are avoided unless the image of text is needed because it is critical to the way the content is displayed or it is customizable (e.g., text in a logo). If images of text are utilized, the guidelines of 6.1 in this document apply.

• WCAG 2.1 guideline 1.4.5 (Level AA)

6.4 Foreground and background colors in non-bolded text have a contrast ratio of at least 4.5:1.

• WCAG 2.1 guideline 1.4.3 (Level AA)