RGB709ToLab node — Natron 2.5.0 documentation

# RGB709ToLab node

This documentation is for version 1.0 of RGB709ToLab (net.sf.openfx.RGB709ToLab).

## Description

Convert from RGB (Rec.709 with D65 illuminant) to L*a*b color model. L*a*b coordinates are divided by 100 for better visualization.

## Inputs

Input | Description | Optional
--- | --- | ---
Source |  | No

## Controls

Parameter / script name | Type | Default | Function
--- | --- | --- | ---
Unpremult / `premult` | Boolean | Off | Divide the image by the alpha channel before processing. Use if the input images are premultiplied.