# GH_ColourSpace enum

Namespace: [Grasshopper.GUI.Base](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.gui.base.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public enum GH_ColourSpace
```

Enumerates the different colour spaces supported by the GH_ColourPickerBase class.

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 | Unset value. Do not use. Seriously. Stay away. |
| RGB | 1 | Colour picker operates in RGB mode. |
| HSV | 2 | Colour picker operates in HSV mode. |