Change your theme in Yahoo Mail for iOS

Choose from a number of themes to change the background colors of the app. You can even pick a different theme for every account you've added!

  1. Tap the Menu iconImage of the Sidebar menu icon..
  2. Tap Settings.
  3. Tap Themes.
  4. Tap the account you want to apply a theme to.
    - This only appears if you have multiple accounts.
  5. At the bottom, tap any theme to preview it.
  6. Tap Back to apply the theme.