---
title: "alphaMultiply(_:)"
framework: swiftui
role: symbol
role_heading: Type Method
path: "swiftui/graphicscontext/filter/alphamultiply(_:)"
---

# alphaMultiply(_:)

Returns a filter that multiplies the alpha component by a given color.

## Declaration

```swift
static func alphaMultiply(_ color: Color) -> GraphicsContext.Filter
```

## Parameters

- `color`: The color that the filter uses for the multiplication operation.

## Return Value

Return Value A filter that multiplies the alpha component.