For example, if you have some form of color blindness, you can swap out the affected colors.Īfter selecting a theme, select the Edit button under the Contrast themes drop-down menu. If none of the default themes work perfectly for you, you can further customize the colors of various screen elements. Tip: Press the left Alt key + left Shift key + Print screen (Print Scrn on some keyboards) to quickly turn high contrast mode on or off.