---
title: a3
framework: swiftui
role: symbol
role_heading: Instance Property
path: swiftui/colormatrix/a3
---

# a3

## Declaration

```swift
var a3: Float
```

## See Also

### Third column

- [r3](swiftui/colormatrix/r3.md)
- [g3](swiftui/colormatrix/g3.md)
- [b3](swiftui/colormatrix/b3.md)