---
title: colorDidChangeNotification
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nscolorpanel/colordidchangenotification
---

# colorDidChangeNotification

Posted when the color of the NSColorPanel is set, as when NSColorPanel is invoked.

## Declaration

```swift
class let colorDidChangeNotification: NSNotification.Name
```

## Discussion

Discussion The notification object is the notifying NSColorPanel. This notification does not contain a userInfo dictionary. To observe this notification using Swift concurrency, use NSColorPanel.ColorDidChangeMessage.

## See Also

### Responding to a color change

- [NSColorChanging](appkit/nscolorchanging.md)