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# numberOfComponents

The number of components in the color.

```
var numberOfComponents: Int { get }
```

## Discussion

This property reflects the number of floating-point component values in the color and includes the alpha component. If the color object does not have any floating-point component values, accessing this property raises an exception.

## See Also

[`colorSpace`](/documentation/AppKit/NSColor/colorSpace)

The color space associated with the color.


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