---
title: y
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturedevice/whitebalancechromaticityvalues/y
---

# y

The y component of the CIE 1931 chromaticity value.

## Declaration

```swift
var y: Float
```

## Discussion

Discussion Values span the range between 0 and 0.85.

## See Also

### Inspecting the values

- [x](avfoundation/avcapturedevice/whitebalancechromaticityvalues/x.md)