Visual Studio 2010 and older
Symbols may appear in the wrong background color after changing the Windows background color. To fix this, go to:
IDE | Tools | Options | Environment | Fonts and Colors
and change the background color for Identifiers from "Default" to "Automatic"
![](/~/media/wholetomato/kb/symbols-have-the-wrong-background-color/identifier_color_code.ashx?la=de&hash=A37B5A56BC3447CE698BD2EBCF710403693D7B49)
![](/~/media/wholetomato/kb/symbols-have-the-wrong-background-color/identifier_color_options.ashx?la=de&hash=03C207C9016E92376AF6749F8D52049B06BA96CB)