Replace a background with transparency:

Replace black pixels in an image:

Use a selected color to specify the pixel values to be replaced:

Use a marker image to specify the pixel values to be replaced:

Specify a distance value:

Specify multicolor replacement and a default background:

Replace red pixels in a 3D image:

Green screen replacement:

Change the plot color:

Also remove the axes:

Remove background colors with white:

Shuffle colors on a logo by random color replacement:

Find dominant colors in the image and generate random replacement:

Replace colors:

Replacing pixels of a grayscale image with color values will result in a color image:

Use DominantColors to find the dominant green color to be replaced:

Replace the detected shade of green with transparent: