> For the complete documentation index, see [llms.txt](https://docs.roboflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.roboflow.com/datasets/dataset-versions/image-augmentation/augmentation-types/grayscale-augmentation.md).

# Grayscale Augmentation

Probabilistically apply grayscale to a subset of your dataset.

The percentage that you select applies to the number of images in your dataset that will be affected.

## Example

<figure><img src="/files/ufNS2MakqYkLUS9g2SLi" alt=""><figcaption><p>Original Image</p></figcaption></figure>

<figure><img src="/files/Szs08xONvWMiiRiQTShA" alt=""><figcaption><p>Grayscale Augmentation applied</p></figcaption></figure>

## Learn More

* [Why Add Noise to Images for Machine Learning](https://blog.roboflow.com/why-to-add-noise-to-images-for-machine-learning/)