---
title: CMXYZComponent
framework: applicationservices
role: symbol
role_heading: Type Alias
path: applicationservices/cmxyzcomponent
---

# CMXYZComponent

## Declaration

```swift
typealias CMXYZComponent = UInt16
```

## Discussion

Discussion Three components combine to express a color value defined by the CMXYZColor type definition in the XYZ color space. Each color component is described by a numeric value defined by the CMXYZComponent type definition. A component value of type CMXYZComponent is expressed as a 16-bit value. This is formatted as an unsigned value with 1 bit of integer portion and 15 bits of fractional portion.