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# systemColorsDidChangeNotification

Sent when the system colors have changed, such as through a system control panel interface.

```
class let systemColorsDidChangeNotification: NSNotification.Name
```

## Discussion

This notification contains no notification object and no `userInfo` dictionary.

To observe this notification using Swift concurrency, use [`NSColor.SystemColorsDidChangeMessage`](/documentation/AppKit/NSColor/SystemColorsDidChangeMessage).

---

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