---
title: blueCoefficients
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/cicolorpolynomial/bluecoefficients
---

# blueCoefficients

Polynomial coefficients for the blue channel.

## Declaration

```swift
var blueCoefficients: CIVector { get set }
```

## See Also

### Instance Properties

- [alphaCoefficients](coreimage/cicolorpolynomial/alphacoefficients.md)
- [greenCoefficients](coreimage/cicolorpolynomial/greencoefficients.md)
- [inputImage](coreimage/cicolorpolynomial/inputimage.md)
- [redCoefficients](coreimage/cicolorpolynomial/redcoefficients.md)