I am facing a requirement to access values for an attribute that are specified in another scope on a multi-website/multi-store site. In particular, we need to display the Admin (default) label for an attribute in the frontend when the label for the Store has been set.

So the code should render the Hex value from the Admin column in one part of the page, and the textual Description from the English (US) on another part of the page. How do I do that?
Conversely, I have seen instances where values have been set on a Store View but are null for Default, and the code returns null even when the Store has been set. Can someone please explain how that works?
Here is how to do it using Magento classes:
Adjust as needed.