---
title: "init(genericGrayGamma2_2Gray:alpha:)"
framework: coregraphics
role: symbol
role_heading: Initializer
path: "coregraphics/cgcolor/init(genericgraygamma2_2gray:alpha:)"
---

# init(genericGrayGamma2_2Gray:alpha:)

Creates a color in the Generic gray color space with a gamma ramp of 2.2.

## Declaration

```swift
init(genericGrayGamma2_2Gray gray: CGFloat, alpha: CGFloat)
```

## Parameters

- `gray`: A grayscale value (0.0 - 1.0).
- `alpha`: An alpha value (0.0 - 1.0).

## See Also

### Creating Colors

- [copy()](coregraphics/cgcolor/copy().md)
- [copy(alpha:)](coregraphics/cgcolor/copy(alpha:).md)
- [init(genericCMYKCyan:magenta:yellow:black:alpha:)](coregraphics/cgcolor/init(genericcmykcyan:magenta:yellow:black:alpha:).md)
- [init(gray:alpha:)](coregraphics/cgcolor/init(gray:alpha:).md)
- [init(red:green:blue:alpha:)](coregraphics/cgcolor/init(red:green:blue:alpha:).md)
- [init(srgbRed:green:blue:alpha:)](coregraphics/cgcolor/init(srgbred:green:blue:alpha:).md)
- [init(colorSpace:components:)](coregraphics/cgcolor/init(colorspace:components:).md)
- [init(patternSpace:pattern:components:)](coregraphics/cgcolor/init(patternspace:pattern:components:).md)