The Contrast effect can be used to increase or decrease the contrast of an image.


Name   Default   Description
Amount 0 Amount to increase or decrease contrast by.
How it Works

The value given is used to stretch the contrast within the image. Values greater than zero increase the amount of contrast while those less than zero decrease the contrast.


The following show the effect of increasing and decreasing contrast.



Original Image

Contrast Amount 25

Contrast Amount 50

Contrast Amount -50