# components Return a pointer to an array of `CGFloat` values including alpha. ``` var components: UnsafePointer { get } ``` ## Discussion Typically this array will contain `4` `CGFloat` values for red, green, blue, and alpha. If the [`CIColor`](/documentation/CoreImage/CIColor) was initialized with a `CGColor` then returned pointer will be the same as calling `CGColorGetComponents()` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)