Both apps' dark modes are shown in screenshots on the official Android 10 page. https://9to5google.com/2019/09/03/gmail-dark-mode-android-tease-assistant-maps/

Both apps' dark modes are shown in screenshots on the official Android 10 page. https://9to5google.com/2019/09/03/gmail-dark-mode-android-tease-assistant-maps/ https://9to5google.com/2019/09/03/gmail-dark-mode-android-te... Probably not far off.