If you would like the change the default link color we specified within the theme here are the instructions you can follow.
- Login to admincp (http://www.yourdomain.com/admincp)
- Click and expand Styles & Templates
- Click Style Manager
- Click the go button to the right of StyleVars
- Using the search type link_color found under Links, to modify the hover effect please searchlinkhover_color
- Change the color to match your needs