to dim the screen and remove blue light during late-night sessions. Why You Can't Enable the "UI Theme" Switch How To Customize Pro Tools UI and Color Coding
Pro Tools 12.5 does not have a built-in toggle switch for dark mode. The official, native Dark Theme is exclusive to Pro Tools 2020.11 and later versions. If you are locked into version 12.5 due to operating system compatibility, permanent licenses, or hardware constraints, you must use workaround methods to dim your screen. Operating System Workarounds
This won't change the main menu bars, but it will transform the Edit and Mix windows where you spend most of your time. 3. OS-Level Workarounds