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# AVCaptureDevice.WhiteBalanceGains

A structure that defines RGB white balance gain values.

```
struct WhiteBalanceGains
```

## Topics

### Creating white balance gains

[`init()`](/documentation/AVFoundation/AVCaptureDevice/WhiteBalanceGains/init())

The default initializer for white balance gains.

[`init(redGain:greenGain:blueGain:)`](/documentation/AVFoundation/AVCaptureDevice/WhiteBalanceGains/init(redGain:greenGain:blueGain:))

Initializes a white balance gain from its red, green, and blue gain components.

### Isolating gain by color channel

[`blueGain`](/documentation/AVFoundation/AVCaptureDevice/WhiteBalanceGains/blueGain)

The blue gain component of the white balance value.

[`greenGain`](/documentation/AVFoundation/AVCaptureDevice/WhiteBalanceGains/greenGain)

The green gain component of the white balance value.

[`redGain`](/documentation/AVFoundation/AVCaptureDevice/WhiteBalanceGains/redGain)

The red gain component of the white balance value.


---

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