Hello ,
Thank you for reaching out to Apple Support Communities.
It appears dark mode is enabled. These steps can help you configure it:
"Turn on Dark Mode in Settings or Control Center
- Go to Settings, then tap Display & Brightness.
- Select Dark to turn on Dark Mode.
To turn Dark Mode on and off in Control Center:
- Go to Settings, then tap Control Center.
- Tap the Add button next to Dark Mode to add it to Control Center.
Learn how to use Control Center on your iPhone or iPad.
Set Dark Mode to turn on automatically
- Go to Settings, then tap Display & Brightness.
- Select Automatic.
- Tap Options to set a schedule for Dark Mode."
Additional details can be found here: Use Dark Mode on your iPhone and iPad
I fetch issue persist after adjusting dark mode settings, can you provide a dew more details? Which device and iOS version are you currently using? Also, when did you first notice this?
Cheers!