We can set the system's color scheme on the Xiaomi smartphone as we like. in addition to the standard settings, such as "warm" or "cold," we can choose the color freely. under the "saturated" setting, colors are significantly improved.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Display
Step 3:  Tap on  Color scheme
Step 4:  Choose  Auto (recommended) ,  Saturated  or  Standard
  1. Open the Settings
  2. Tap on Display
  3. Tap on Color scheme
  4. Choose Auto (recommended), Saturated or Standard

Xiaomi Instructions