...
Also you can combine item search with color search. To search for all yellow items with "my-label" in field "ManagedLabels": issue in labelColor("ManagedLabels", "yellow") and ManagedLabels in (my-label).
Using the Label Manager Progress Custom Field
This custom field is designed to show the Label Manager Custom Field details as a progress bar on agile boards. (This requires Jira Software to be installed.)
On Agile boards e.g. Active Sprints, Backlog, you can add the progress details by:
navigate to Board=>Configure=>Card Layout.
Here you can add the Progress Custom Field
Make sure the Progress Demo field has been configured properly.
As a result there will be a nice progress bar on your cards.