[Koha-bugs] [Bug 29034] New: Accessibility: OPAC nav-links don't have sufficient contrast ratio

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=29034

            Bug ID: 29034
           Summary: Accessibility: OPAC nav-links don't have sufficient
                    contrast ratio
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: minor
          Priority: P5 - low
         Component: OPAC
          Assignee: oleonard at myacpl.org
          Reporter: bolshawh at parliament.uk
        QA Contact: testopia at bugs.koha-community.org

The contrast ratio for the OPAC navigation links (Cart, Lists, Login, Search
history, Delete your search history)fails to meet accessibility guidelines.

WCAG 2.1 1.4.3 Contrast (Minimum) Level AA:

"The visual presentation of text and images of text has a contrast ratio of at
least 4.5:1, except for the following: 

- Large Text: Large-scale text and images of large-scale text have a contrast
ratio of at least 3:1;

- Incidental: Text or images of text that are part of an inactive user
interface component, that are pure decoration, that are not visible to anyone,
or that are part of a picture that contains significant other visual content,
have no contrast requirement.

- Logotypes: Text that is part of a logo or brand name has no contrast
requirement."

(https://www.w3.org/WAI/WCAG21/quickref/?versions=2.0#contrast-minimum)

There are several free websites for checking the contrast ratio, e.g.
https://webaim.org/resources/contrastchecker/ 

You can also use the built-in accessibility functions in Firefox and Chrome, as
well as specialist accessibility browser extensions like WAVE
(https://wave.webaim.org/)

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