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

# x

The x component of the CIE 1931 chromaticity value.

## Declaration

```swift
var x: Float
```

## Discussion

Discussion Values span the range between 0 and 0.8.

## See Also

### Inspecting the values

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