---
title: "ColorChannel Enumeration"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_ColorChannel.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# ColorChannel Enumeration
 
Contains aliases for numbers of color channels.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public Enumeration ColorChannel
```
 
```csharp
public enum ColorChannel
```
 
## Members

|   |  Member name |  Description |
| --- | --- | --- |
 |   |  Gray |  Luminosity channel (for grayscale). |
 |   |  Black |  Black channel (for CMYK). |
 |   |  Yellow |  Yellow channel (for CMYK). |
 |   |  Magenta |  Magenta channel (for CMYK). |
 |   |  Cyan |  Cyan channel (for CMYK). |
 |   |  Blue |  Blue channel (for RGB). |
 |   |  Green |  Green channel (for RGB). |
 |   |  Red |  Red channel (for RGB). |
 |   |  Alpha |  Alpha channel (for all). |
 
## Remarks
 You can use it instead of channel indices in such classes as [Color](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Color.htm.md) (and its descendant classes), [ChannelsProvider](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_ChannelsProvider.htm.md), etc.
   
## See Also

### Reference

- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill.htm.md)