How you perceive the colors on your display can be affected by many factors, such as ambient light, the position and angle of the display, and the age of the display. To accommodate for these factors, you can adjust your display using Display Calibrator Assistant.
https://support.apple.com/guide/mac-help/calibrate-your-display-mchlp1109/10.15/mac/10.15
Or kindly follow these guides and if they get rid of the issue.
https://support.apple.com/guide/mac-help/if-your-display-doesnt-look-right-mchlp2906/mac