You can also (at least on Samsung phones) adjust the "Extra dim shortcut"! I have it set it to "Tap Accessibility button", which is a small person-shaped icon

You can also (at least on Samsung phones) adjust the "Extra dim shortcut"! I have it set it to "Tap Accessibility button", which is a small person-shaped icon that sits at the very bottom right of my screen, to the right of the Back button.