I created a few data fields for myself.
https://apps.garmin.com/en-US/apps/2ec1c95f-706e-49a6-a30c-610f2a8e192a
https://apps.garmin.com/en-US/apps/5ee16265-df82-4d32-b365-81853dd55a9b
https://apps.garmin.com/en-US/apps/9432dee1-ea6a-43f7-9122-782d480531d5
https://apps.garmin.com/en-US/apps/d083af67-9f87-44de-afb6-ff4b40cc7351
Mainly I wanted to use color to see at a glance what HR/Pace Zone I'm running/cycling in, and to give me an indication of estimated hrTSS since my training plan is on Training Peaks and TSS/ATL/CTL etc. is a part of what my running coach uses to guide my triaining.
If anyone else is using one of them, you can let me know here if you encounter any issues.