You need to sign in to do that
Don't have an account?

How do I go about highlighting blank fields?
So if the output is blank or a default value I would like it to highlight, is this possible, if so how?

You need to sign in to do that
Don't have an account?
I have implemented the same functionality in my client's org. I can show you the image below. Here what I did:
Hope this helps you. Please check my images of highlighted fields below. Apologies, the image is marked as blurred.
Hope this help you, let me know if need more details on it.
Thanks,
Gaurav
Skype: gaurav62990
Email: gauravgarg.nmims@gmail.com