Currently our Groom Priorities docs page is very limited in its explanation of what the different colors mean, or the update behavior for this page.

Customers may be confused after running a manual groom and noticing that the values do not change after the groom is complete. A brief explanation of the different color meanings (red, green, blue) plus a note about the frequency of the background job that updates the values in this page, may be enough to clear up any potential confusion.