To use a light background for notes while Dark Mode is turned on, open Notes and choose Notes > Preferences, then deselect “Use dark backgrounds for note content.” To use a light background for maps while Dark Mode is turned on, open Maps and choose Maps > Preferences, then select ”Always use light map appearance.” In earlier versions of macOS, click View in the menu bar in Maps, then deselect Use Dark Map. To use a light background for email messages while Dark Mode is turned on, open Mail and choose Mail > Preferences, then click the Viewing tab and deselect “Use dark backgrounds for messages.” Some apps and features have special Dark Mode settings or behaviors.