This article shows you how to change the color of app icons using the Shortcuts app on iPhones running iOS 14.
How to Change the Color of an App Icon on iPhone! (2023)
If you want to customize your iPhone home screen, you can do more than just set a favorite image as your background image. You can also create custom colored app icons that reflect your style. For example, if you're more of a minimalist type, it might feel zen to recolor your app icons to match your home screen. It's easy to do with the Shortcuts app.
Open the Shortcut app.
Tap the plus sign (+) in the top right corner of the app.