It may have occurred to you that it would be nice to display a colorful, custom category filter that links to information pages, but on creating it you no doubt discovered that custom vocabularies don't offer anywhere to set a branding color like the Article or Event Category lists do. This write-up will show you how to incorporate it into your own custom taxonomies to get that same effect and presentation.
Updated - Users are warned that if you create custom Article Types, a corresponding article view and/or category list will likely also need to be created.