---
title: kCGImagePropertyColorModelLab
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertycolormodellab
---

# kCGImagePropertyColorModelLab

A Lab color model, where color values contain the amount of light and the amounts of four human-perceivable colors.

## Declaration

```swift
let kCGImagePropertyColorModelLab: CFString
```

## Discussion

Discussion Use this value with the kCGImagePropertyColorModel key.

## See Also

### Color Information

- [kCGImagePropertyHasAlpha](imageio/kcgimagepropertyhasalpha.md)
- [kCGImagePropertyNamedColorSpace](imageio/kcgimagepropertynamedcolorspace.md)
- [kCGImagePropertyProfileName](imageio/kcgimagepropertyprofilename.md)
- [kCGImagePropertyColorModel](imageio/kcgimagepropertycolormodel.md)
- [kCGImagePropertyColorModelRGB](imageio/kcgimagepropertycolormodelrgb.md)
- [kCGImagePropertyColorModelCMYK](imageio/kcgimagepropertycolormodelcmyk.md)
- [kCGImagePropertyColorModelGray](imageio/kcgimagepropertycolormodelgray.md)