Nowadays it seems that the black color has been all Desired
Yeah, you Hear Right,
Nowadays each app is updating the Black theme UI in the Application, And Google is one of them made apps that come with your device as well in Dark theme. Just a few times before Google Rollout the dark theme in YouTube and Maps.
And now this Dark theme has updated in Google Photos as well You can see the below
This update comes in Version 184.108.40.206919200 of Google Photos the new dark interface with muted accents colors. And this Google Update shared by XDA-Developers they also share that we’ll wait for this update to update other regions because this update is not available for everyone.