| Table of Contents ▸ List of Commands ▸ Colors ▸ contrast | ◀ compose_channels | count_colors ▶ | 
contrast
Arguments:
- strength
Description:
Change contrast of selected images, with specified strength.If strength is positive, image contrast is amplified.
If strength is negative, image contrast is reduced.
A typical value range for parameter strength is [-100,100].Example of use:
 <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +contrast 20


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