---
title: cmRGBSpace
framework: applicationservices
role: symbol
role_heading: Global Variable
path: applicationservices/cmrgbspace
---

# cmRGBSpace

An RGB color space composed of red, green, and blue components. A bitmap never uses this constant alone. Instead, this color space is always combined with a packing format describing the amount of storage per component.

## Declaration

```swift
var cmRGBSpace: Int { get }
```