Customize your Scene Hierarchy with a simple editor script.  Make your prefabs bold and bright, easy to recognize.  Or extend this out further and show more detailed info in the scene hierarchy to make your workflow more streamlined.

Video

Code

Conclusions

Remember there are plenty of great editor extensions that add this kind of functionality and a whole lot more on the asset store.  If you’re interested in building your own extension, that’s awesome, but if you just want some cool extra functionality, make sure to check out those extensions as well.