Issue Summary

In Chrome and Firefox, the favicon in browser tab shows correct board background, but bookmarked board link only shows blue Trello logo as the favicon, which can make it hard to differentiate boards. 

Steps to Reproduce

1. Save a board link in Chrome/Firefox as a bookmark
2. Open the board link, notice favicon in tab shows board background
3. View saved bookmark and notice link only shows blue Trello logo as the favicon

Expected Results

Bookmarked link shows board background favicon.

Actual Results

Blue Trello logo is shown instead. 

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available