How to Change the Yahoo Mail Interface Color
Changing the color of the left navigation bar and other interface elements is a straightforward process.
Select the gear in the upper-right corner of Yahoo Mail. Select a Theme from the drop-down menu to automatically change the interface appearance. Select Light, Medium, or Dark. Scroll down the drop-down menu to adjust the Message Layout and Inbox Spacing. Click outside of the drop-down menu to resume using Yahoo Mail.
How to Change the Yahoo Mail App Interface Color
The Yahoo Mail app offers fewer options, but it’s still possible to change the interface colors.
Tap the Menu icon in the upper-left corner of the Yahoo Mail app. Tap Settings. Scroll down and tap Themes. Tap the squares at the bottom of the screen to change the interface colors. Tap Set theme in the upper-left corner to confirm.
