> 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/colorimagedownsamplethreshold.md).

# ColorImageDownsampleThreshold

| Method Name                   | Argument Name | Argument Type |
| ----------------------------- | ------------- | ------------- |
| colorImageDownSampleThreshold | threshold     | float         |

Sets the downsample threshold for color images.

This is the ratio of image resolution to output resolution above which downsampling may be performed. <mark style="color:red;">Must be between 1.0 through 10.0, inclusive.</mark>

{% hint style="info" %}
If you set the threshold out of range, it reverts to a default of <mark style="color:red;">1.5</mark>
{% endhint %}