---
title: greenGain
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturedevice/whitebalancegains/greengain
---

# greenGain

The green gain component of the white balance value.

## Declaration

```swift
var greenGain: Float
```

## See Also

### Isolating gain by color channel

- [blueGain](avfoundation/avcapturedevice/whitebalancegains/bluegain.md)
- [redGain](avfoundation/avcapturedevice/whitebalancegains/redgain.md)