# `GSColorSpace.grayscale`

*Instance Property*

Returns a grayscale color space closely matching the receiver.

## Declaration

```swift
var grayscale: GSColorSpace? { get set }
```

```objc
@property (nonatomic, strong) GSColorSpace * grayscale;
```

```python
grayscale() -> GSColorSpace
setGrayscale_(grayscale: GSColorSpace)
```

## Discussion

Returns `nil` when no such color space is available.