Comment 5 for bug 1800389

Retest
==========

Tested on Mahara 18.10 master

Test Steps:
1) Log in as admin
2) Set the site theme to one of the 4 Theme colours
--- a. Raw
--- b. Ocean
--- c. Modern
--- d. Primary school
3) Browse to navigation arrow bar found on a group page (/group/view.php?id=1 )
4) Verify the colour contrast ratio meets an "AA" standard of 4.5:1

Actual Results:
1. Raw - Background #DEE9CF --> Forground #556D32 = Contrast ratio 4.6:1 ✔
2. Ocean - Background #0A4F66 --> Forground #FFFFFF = Contrast ratio 9.04:1 ✔
3. Modern - Background #157C62 --> Forground #FFFFFF = Contrast ratio 5.13:1 ✔
4. Primary school - Background #5B6E1C --> Forground # = Contrast ratio 5.69:1 ✔

Catalyst QA Approved ✔