This refers to "inline" editing via a popover, after the data page / field in question has already been set up for the first time. (The first time UI uses a full-screen menu as opposed to a popover.)
1) White background (default):
See comment
2) Black background:
See comment
For 2), note the black background of the IQ icon clashes with the white popover background underneath.
Yeah, I realize this is a device bug, but since fr955 just got production firmware, I can't file a beta bug report.
Besides, I think the CIQ team should have visibility on these issues, even if it's the device team that has to fix them.
(I feel like two teams at Garmin have a better chance of communicating with each other than customers have of reaching the device team.)