---
title: "PdfReader.ColorBitDepth Property "
canonical: https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Codecs_PdfReader_ColorBitDepth.htm
product: "Graphics Mill"
---

# PdfReader.ColorBitDepth Property 
 
Gets or sets the bit depth that is used to read color data from PDF pages.
 
**Namespace:** [Aurigma.GraphicsMill.Codecs](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Codecs.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public ColorBitDepth ColorBitDepth { get; set; }
```
 
### Property Value
A [ColorBitDepth](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_ColorBitDepth.htm.md) value. The default value is [Bit8](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_ColorBitDepth.htm.md).
   
## See Also

### Reference

- [PdfReader Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Codecs_PdfReader.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Codecs.htm.md)