---
title: "Contrast.Amount Property "
canonical: https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Transforms_Contrast_Amount.htm
product: "Graphics Mill"
---

# Contrast.Amount Property 
 
Gets or sets the contrast modifier.
 
**Namespace:** [Aurigma.GraphicsMill.Transforms](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Transforms.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public float Amount { get; set; }
```
 
### Property Value
The contrast modifier in range `[-1, 1]`. The default value is `0`. Minimum value `-1` will produce absolutely gray image, neutral value `0` does no effect, maximum value `1` makes the image extremely posterized.
 
## Remarks
  
**Note** 
If you set [Auto](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Transforms_Contrast_Auto.htm.md) property to `true`, and modifying Amount, [Auto](https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_Transforms_Contrast_Auto.htm.md) is reset to `false`.
   
## See Also

### Reference

- [Contrast Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Transforms_Contrast.htm.md)
- [Aurigma.GraphicsMill.Transforms Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill_Transforms.htm.md)