You can learn how to modify your Mac's display colors.
Step 1: You can open the menu at Apple.
The Apple logo can be found in the top left corner of the screen.A menu will appear.
Step 2: Click System Preferences
It's in the menu.The system preferences window will open.
Step 3: You can click on accessibility.
This is in the preferences window.
Step 4: You can click on the display tab.
It's on the left side of the window.
Step 5: The "Invert Colors" box should be checked.
There is a window at the top.At this point, your Mac's display colors should be inverted.
Step 6: The keyboard shortcut can be used if you are running OS Mountain Lion.
If you want to enable or disabling color inversion without opening the accessibility menu, you can press Control+ option+ Command+8.You can enable this keyboard shortcut in OS High Sierra.