Issue summary

Changing the colour for "Header navigation - highlight background colour" in Look and Feel configuration isn't working when the Header-background colour is changed to white or any light colour. It shows grey colour of header navigation.

Steps to reproduce

1. Go to Administration > System > Look and Feel
2. Modify the colour of Header - background colour to #ffffff
3. Modify the colour for "Header navigation - highlight background colour"
4. Refresh the page and select any menu in header.

Expected results

The selected colour should change the background colour of the Header navigation - highlight background colour colours.
 

Actual results

The Header navigation - highlight background colour is showing grey.

Workaround

No workaround at this moment