---
title: "contrast(_:)"
framework: swiftui
role: symbol
role_heading: Instance Method
path: "swiftui/visualeffect/contrast(_:)"
---

# contrast(_:)

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

## Declaration

```swift
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

Return Value An effect that applies color contrast to the view.

## Discussion

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

## See Also

### Adjusting Color

- [brightness(_:)](swiftui/visualeffect/brightness(_:).md)
- [colorEffect(_:isEnabled:)](swiftui/visualeffect/coloreffect(_:isenabled:).md)
- [grayscale(_:)](swiftui/visualeffect/grayscale(_:).md)
- [hueRotation(_:)](swiftui/visualeffect/huerotation(_:).md)
- [saturation(_:)](swiftui/visualeffect/saturation(_:).md)
- [opacity(_:)](swiftui/visualeffect/opacity(_:).md)