Is it possible to use a value other than Category in the Outline view of a Gantt chart?

har_d_har1

I want to display the rows per Program and Feature (i.e., the category), as in the outline view of a Gantt chart, but colour-code by pipeline status.

Gannt automatically uses the category field to colour code, even when custom colours are specified.

Is there a setting to override category colours with custom colours?