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=ko&hash=7FD1FD5F836FCF06C1CD95AA8A39067145815DB7)
![](/~/media/wholetomato/kb/symbols-have-the-wrong-background-color/identifier_color_options.ashx?la=ko&hash=0A3D705922C769CAA18D4A132822F7791F822C6A)