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Change all pixels of a particular color in an (animated) gif? – Photoshop

Change a color value of an animated gif : how to ?

I tried with Photoshop CC which allows changing colors of an individual palette, but does not allow changing the color in multiple layers. Only one layer at a tome.
And cannot find an option in Imagemagick as well.

A command like

convert ~/Pictures/animgif/3d polyhedra/4P4Q.gif -fill “#201940” -opaque “#000000” q.gif

does not work (#201940 is the color of the background which I want to change to black).

Looking up on the internet did not result in a solution.

convert  ~/Pictures/animgif/3d polyhedra/4P4Q.gif  -fill "#201940" -opaque "#000000" q.gif

I expect the backgroud color to be black.
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Answers


  1. Chosen as BEST ANSWER
    0

    Thanks, that works ! I used imagemagick with a wrong command line.


  2. 0

    You have your ImageMagick command syntax backwards. -fill is the new color and opaque is the old color. So 

    convert ~/Pictures/animgif/3d polyhedra/4P4Q.gif -fill "#000000" -opaque "#201940" q.gif
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