the cmdlet docs show Row Styling|You can style rows by using the -OnRowStyle parameter. The script block will be passed the row data as a hashtable in the $EventData variable. The script block should return a hashtable of CSS styles to apply to the row.. So you are in the ballpark for sure. I’ve not done it, but there is an older forum post about it that might help:
https://forums.ironmansoftware.com/t/coloring-elements-in-a-table-based-on-a-property/57