For the most effective work with the monitor it is desirable to calibrate it. Working with calibration settings in macOS takes only a few minutes and makes color rendering much more accurate, which is important if you work with photos, watch videos or even play games.
A monitor calibrator assistant will guide you through the calibration process. Before start our calibration, make sure your monitor has been turned on at least half an hour before and its surface must be clean.
Calibrate Monitor Mac
- Open System Preferences and select Displays;

- Choose the Color tab;
- On the left bar you can choose one of custom calibration profiles;
- On the right click Calibrate button;

- Click the Continue button to start the display calibration;
Read more: How to Fix Macbook Screen goes Dimming?
Further to calibrate the monitor follow the instructions of the assistant. You will be given the following instructions:
- Set the contrast as high as possible and adjust the monitor brightness. To do this, you will need to use the built-in controls and the on-screen menu of your monitor – as a rule, these are buttons on the front panel of the device;
- Select a white point, i.e. the color tint of your display. Apple recommends using a full-time white point;

- Choose whether to make these settings by default for all users on this Mac;

- For some displays, you can also adjust the display gamma and its luminosity;
- Give a name for profile;

- In the end just click Done!

Conclusion
This will save the calibration settings in the monitor profile. After you name the profile, they will be set as the monitor’s default settings.
It’s the best time to ask questions and give us your feedback in comments.