removes all opacity information from image.


removes opacity by blending all pixels with the background color c.



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Basic Examples  (2)

Drop the alpha channel from an image:

Remove opacity by blending with a white background:

Scope  (4)

Remove an opaque mask from a grayscale image:

Remove opacity by blending with a pink background:

Remove the alpha channel from a 3D image:

Blend with a black background:

Applications  (1)

Create artistic effects using alpha blending:

Properties & Relations  (2)

On an image with no alpha channel, the input image is returned:

Remove the alpha channel using ColorSeparate followed by ColorCombine:

Introduced in 2010
Updated in 2012