AdjustContrast - ComfyUI Built-in Node Documentation

Complete documentation for the AdjustContrast node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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The Adjust Contrast node modifies the contrast level of an input image. It works by adjusting the difference between the light and dark areas of the image. A factor of 1.0 leaves the image unchanged, values below 1.0 reduce contrast, and values above 1.0 increase it.

Inputs

Parameter	Data Type	Required	Range	Description
image	IMAGE	Yes	-	The input image to have its contrast adjusted.
factor	FLOAT	No	0.0 - 2.0	Contrast factor. 1.0 = no change, <1.0 = less contrast, >1.0 = more contrast. (default: 1.0)

Outputs

Output Name	Data Type	Description
image	IMAGE	The resulting image with adjusted contrast.