# Image interface settings

## Open the 2D interface settings

Click on the "Settings" tab in the sidebar on the right to open the 2D interface settings.

<div align="left"><figure><img src="https://1553794111-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHczBG7NHgAtEe4ql1rXH%2Fuploads%2FhONMkyYSd9B858FhO5pE%2Fimage.png?alt=media&#x26;token=e863e00e-6d63-48e2-b16c-9d8017973d7c" alt=""><figcaption></figcaption></figure></div>

## Object coloring mode

The object coloring toggle allows you to change how different objects in the sample are displayed.&#x20;

Click on a mode to change the object coloring mode.

## Visualisation

### Brightness

Drag the slider to adjust the image brightness.

### Contrast

Drag the slider to adjust the image contrast.

### Label opacity

Drag the slider to adjust the label opacity.

### Equalize histogram

Toggling this checkbox will equalize the image's histogram based on the luminance. Useful for labelling dark images.