In themes.dart from flutter gallery
See image. The consts primaryColor and secondaryColor are not showing a color icon on the left.
Nice to have: since they are consts, it would be great it it showed the same icon where they are consumed like line 34-35.

Assigned to Devon to triage, I don't know who did this initial work.
This was me; on deck seems right.
Thanks for the report! This was addressed for the Nov. release.
Most helpful comment
This was me;
on deckseems right.