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# contrast(_:)

Sets the contrast and separation between similar colors in the view.

```
func contrast(_ amount: Double) -> some VisualEffect
```

## Parameters

`amount`

The intensity of color contrast to apply. negative
values invert colors in addition to applying contrast.

## Return Value

An effect that applies color contrast to the view.

## Discussion

Apply contrast to a view to increase or decrease the separation between
similar colors in the view.

---

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