In apiman.css line 319 (which I think gets inserted via bower) there's this rule:

.navbar-default {
background-color: #0B61A4;
border-bottom: 1px solid #FF9200;
}
which causes the fabric8-console's nav header to have a blue background and the sub-tab header to have a yellow bottom border. Maybe in apiman you could split the css rules into two files, one exported in the plugin for the views, and another used locally when it's a standalone thing?