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# MaterialParameterTypes.BlendMode

Modes that describe how materials should be blended with content behind them.

```
enum BlendMode
```

## Topics

### Enumeration Cases

[`case add`](/documentation/RealityKit/MaterialParameterTypes/BlendMode/add)

Blend by adding the material’s color to the background color, ignoring alpha.

[`case alpha`](/documentation/RealityKit/MaterialParameterTypes/BlendMode/alpha)

Blend by multiplying the material’s color value by its alpha value

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

---

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