---
title: "Multi Matte RE"
canonical: "https://documentation.chaos.com/space/VC4D/116856641/Multi%20Matte%20RE"
format: markdown
---
This page provides information on the Multi Matte Render Element, which creates red, green, and blue selection masks based on an object's Object ID or Material ID.


## **Overview**

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## **Properties**

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> Macro (anchor)



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### Example Use Case

In this example, the background and the opaque chairs are selected separately using Multi Matte masks. Their diffuse color is changed using a [Constant layer](https://docs-chaos.atlassian.net/wiki/spaces/VC4D/pages/116855823) in the VFB. See the render before and after.