On the ticket page, some labels are unreadable, for example:

https://todo.sr.ht/~sircmpwn/aerc2/329

Notice that the label on the right column is fine, but the label shown
in the comments area has really low contrast.

https://envs.sh/WT.png - [Good] Ticket page side bar
https://envs.sh/Wn.png - [Good] Tracker page with the list of tickets
https://envs.sh/WI.png - [Bad] Ticket page in the comments and activity