> For the complete documentation index, see [llms.txt](https://mostafaznv.gitbook.io/pdf-optimizer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mostafaznv.gitbook.io/pdf-optimizer/advanced-usage/configuring-ghostscript/colorimageresolution.md).

# ColorImageResolution

| Method Name          | Argument Name | Argument Type |
| -------------------- | ------------- | ------------- |
| colorImageResolution | resolution    | int           |

Specifies the resolution to which downsampled color images are reduced; <mark style="color:red;">valid values are 9 to 2400 pixels per inch.</mark>

{% hint style="info" %}
A color image is downsampled if DownsampleColorImages is true and the resolution of the input image meets the criteria described in Downsampling and subsampling images.
{% endhint %}
