You can modify your screen's colors to make it easier to distinguish one from another.
1.
From the Settings app, scroll to Accessibility.
2.
Tap Accessibility.
3.
Tap Visibility enhancements.
4.
Scroll to Colour correction.
5.
Tap Colour correction.
6.
Scroll to Correction mode.
7.
Select your preferred colour correction.
8.
Tap the Colour correction switch to ON.
Turn off the Colour correction switch to reset the phone to its default settings.
9.
You've completed the steps!
