---
title: NSColorChanging
framework: appkit
role: symbol
role_heading: Protocol
path: appkit/nscolorchanging
---

# NSColorChanging

## Declaration

```swift
protocol NSColorChanging : NSObjectProtocol
```

## Overview

Overview When the user selects a color in an NSColorPanel object, the panel tries to call this method on the first responder. You can override this method in any responder that needs to respond to a color change.

## Topics

### Responding to a Color Change

- [changeColor(_:)](appkit/nscolorchanging/changecolor(_:).md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

### Conforming Types

- [NSTextView](appkit/nstextview.md)

## See Also

### Responding to a color change

- [colorDidChangeNotification](appkit/nscolorpanel/colordidchangenotification.md)