# Flat

> Flat ambient lighting.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.6/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
Flat = 3
```

### Remarks

Ambient is defined by a single color.

Additional Resources: [RenderSettings.ambientEquatorColor](/engine/6000.6/script-reference/unityengine/rendersettings/ambientequatorcolor.md), [RenderSettings.ambientMode](/engine/6000.6/script-reference/unityengine/rendersettings/ambientmode.md), [Lighting Window](/engine/6000.6/manual/lighting-overview/lighting-reference/lighting-window.md).