<!--
{
  "availability" : [
    "macCatalyst: -",
    "macOS: 10.0.0 - 10.0.0"
  ],
  "documentType" : "symbol",
  "framework" : "AppKit",
  "identifier" : "/documentation/AppKit/NSCompositingOperation/NSCompositingOperationHighlight",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration Case",
  "symbol" : {
    "kind" : "Enumeration Case",
    "modules" : [
      "AppKit"
    ],
    "preciseIdentifier" : "c:@E@NSCompositingOperation@NSCompositingOperationHighlight"
  },
  "title" : "NSCompositingOperationHighlight"
}
-->

# NSCompositingOperationHighlight

The source image wherever it is opaque, and the destination image elsewhere.

```
NSCompositingOperationHighlight
```

---

Copyright &copy; 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)