# 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="/files/0QLMdYxHzADvoGqwkjuy" 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.


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