# Theme Names

This topic covers theme names in C1Themes.

## Content

In **C1Themes**, themes are identified by their names. Names are case-sensitive, and must be unique within an application.

**Themes for WinForms** include following regular theme names in .Net and .Net Framework assemblies:

### Themes available in .NET

* ExpressionDark
* ExpressionLight
* HighContrast
* MacBlue
* MacSilver
* Material
* Material Dark
* Office2016Black
* Office2016Colorful
* Office2016DarkGray
* Office2016Green
* Office2016White

### Themes available in .NET Framework

* BeigeOne
* ExpressionDark
* ExpressionLight
* GreenHouse
* MacBlue
* MacSilver
* Material
* Material Dark
* Office2007Black
* Office2007Blue
* Office2007Silver
* Office2010Barbie
* Office2010Black
* Office2010Blue
* Office2010Green
* Office2010Red
* Office2010Silver
* Office2013DarkGray
* Office2013Gray
* Office2013Green
* Office2013HighContrast
* Office2013LightGray
* Office2013Red
* Office2013White
* Office2016Black
* Office2016Colorful
* Office2016DarkGray
* Office2016Green
* Office2016White
* RanierOrange
* ShinyBlue
* Violette
* VS2013Blue
* VS2013Dark
* VS2013DarkSolar
* VS2013Green
* VS2013Light
* VS2013Purple
* VS2013Red
* VS2013Tan
* Windows8Blue
* Windows8Brown
* Windows8Gray
* Windows8Green
* Windows8Red

Moreover, **Themes for WinForms** include the following non-regular theme names:

* "(default)": specifies the default theme in the current context
* "(none)": specifies that no theme should be applied.