---
title: redGain
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturedevice/whitebalancegains/redgain
---

# redGain

The red gain component of the white balance value.

## Declaration

```swift
var redGain: Float
```

## See Also

### Isolating gain by color channel

- [blueGain](avfoundation/avcapturedevice/whitebalancegains/bluegain.md)
- [greenGain](avfoundation/avcapturedevice/whitebalancegains/greengain.md)