---
title: CIColorMatrix
framework: coreimage
role: symbol
role_heading: Protocol
path: coreimage/cicolormatrix
---

# CIColorMatrix

The properties you use to configure a color matrix filter.

## Declaration

```swift
protocol CIColorMatrix : CIFilterProtocol
```

## Topics

### Instance Properties

- [aVector](coreimage/cicolormatrix/avector.md)
- [bVector](coreimage/cicolormatrix/bvector.md)
- [gVector](coreimage/cicolormatrix/gvector.md)
- [rVector](coreimage/cicolormatrix/rvector.md)
- [biasVector](coreimage/cicolormatrix/biasvector.md)
- [inputImage](coreimage/cicolormatrix/inputimage.md)

## Relationships

### Inherits From

- [CIFilterProtocol](coreimage/cifilterprotocol.md)

## See Also

### Related Documentation

- [colorMatrix()](coreimage/cifilter-swift.class/colormatrix().md)

### Protocols

- [CIColorAbsoluteDifference](coreimage/cicolorabsolutedifference.md)
- [CIColorClamp](coreimage/cicolorclamp.md)
- [CIColorControls](coreimage/cicolorcontrols.md)
- [CIColorPolynomial](coreimage/cicolorpolynomial.md)
- [CIColorThreshold](coreimage/cicolorthreshold.md)
- [CIColorThresholdOtsu](coreimage/cicolorthresholdotsu.md)
- [CIDepthToDisparity](coreimage/cidepthtodisparity.md)
- [CIDisparityToDepth](coreimage/cidisparitytodepth.md)
- [CIExposureAdjust](coreimage/ciexposureadjust.md)
- [CIGammaAdjust](coreimage/cigammaadjust.md)
- [CIHueAdjust](coreimage/cihueadjust.md)
- [CILinearToSRGBToneCurve](coreimage/cilineartosrgbtonecurve.md)
- [CISRGBToneCurveToLinear](coreimage/cisrgbtonecurvetolinear.md)
- [CISystemToneMap](coreimage/cisystemtonemap.md)
- [CITemperatureAndTint](coreimage/citemperatureandtint.md)