---
title: "AdjustHsl..::.Lightness Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Transforms_AdjustHsl_Lightness.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/)

# AdjustHsl.Lightness Property 
 
Gets/sets lightness modifier.
 
**Namespace:** [Aurigma.GraphicsMill.Transforms](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Transforms.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public Property Lightness As Single
```
 
```csharp
public float Lightness { get; set; }
```
 
### Property Value
Lightness modifier value. Should be a value in range [-1, 1].
 
## Remarks
 This parameter allows to change intensity of the color. It works similar to [Brightness](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_Brightness.htm.md) transform, however another algorithm is used and result differs from brightness adjustment. 
Default value is 0.
   
## See Also

### Reference

- [AdjustHsl Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Transforms_AdjustHsl.htm.md)
- [Aurigma.GraphicsMill.Transforms Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Transforms.htm.md)