I had 1Password for Mac open this evening when it changed from light mode to dark mode. It looks kinda weird now. Maybe not all of the UI got the message!
1Password for Mac 8.9.10 (80910022)
1Password Version: 8.9.10 (80910022/NIGHTLY)
Extension Version: 2.3.3
OS Version: macOS 13.1 Beta (22C5050e)