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# System prepended metadata

title: Keyer Nodes

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# Keyer Nodes

These nodes allow to create an alpha channel (ie. image transparency) from the content of the image itself

## HueKeyer
This node creates transparency based on the hue of each individual pixel

[HueKeyer](/dOOXroDyS1aO1Djjnlc0UQ)





[Natron Documentation Book](/Kz4wd0z2TQ2PwAtYE3tDeg)