home, about, help and contact menu does not meet color contrast accessibility requirements

[rjkati]

Descriptive summary

On dev.nurax.samvera.org (Hyrax 5.0.0), the top menu containing the Home, About, Help and Contact links does not meet WCAG AA minimum color contrast requirements

Steps to reproduce the behavior in User Interface (UI)

1. In Chrome, download the Site Improve browser extension
2. Go to dev.nurax.samvera.org and run the Site Improve browser extension

Rationale

Hyrax (and nurax) should be accessible to users out of the box.

[rkuehn-uofl]

Recommend removing "navbar-light' from nav class (~/hyrax/hyrax-v5.0.1/hyrax501/app/views/_controls.html.erb line #1) to meet color contrast requirement.