This will open up a tool that walks you through each step of calibrating your monitor. To find the calibration tool in a Mac, go to System Preferences > Display > Color > Calibration. How do I calibrate my MacBook screen for photos? Avoid low contrast text/background color schemes. Other dark-on-light combinations work fine for most people.
When it comes to color combinations, your eyes prefer black text on a white or slightly yellow background. Again, that normal position should be 20 to 30 inches from your monitor.
