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Altering an Anti-Aliased Image's Color

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Hello, I am attempting to duplicate part of an image and place it somewhere else on the same canvas with a different color, so that the final entire image is two identical images(disregarding color) in different places on the same canvas.


The issue (I think) is that since the original image has anti-aliased edges, using the paint bucket to fill the image either leaves a noticeable border of a different color(the anti-aliased edges from the previous color):


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or covers the edges completely, causing the image to appear larger than before:


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I have also tried to use the recolor tool and the magic wand while messing with blend modes, tolerance, and flood mode for each tool in different variations; unfortunately, the same issue occurs: the image either leaves a border or appears larger than before.


Is there any technique, method, or Paint.net device anyone is aware of that would allow complete switching of colors, including anti-aliased edges and transparent edge pixels? Is that possible, and is there a way that Paint.net can detect the edges correlated with a certain color and switch them with the edge colors correlated with the new color through paint bucket or another tool(so that the image literally looks the same as the original except for color)?


If not, are the only other apparent solutions to either stop drawing with anti-aliasing or to get as near as possible to no border and decide to be ok with the image?


This is separate, it's cool if you stop reading here; I really appreciate this program, it's super useful! I'm creating game art with it(I wonder if anti-aliasing instead of flat sprites wil affect the game's performance and speed?) and I like the layering and history system a lot.

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Eli has an excellent idea for recoloring a colored image. That's what I did with my Sig plane. I originally made the plane in Blue, but changed it to red via "Hue/Saturation" filter.


Alternatively you can play with the "Tolerance" value in the Paint Bucket tool......

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Oh geez, that hue/saturation effect is so useful. Thanks to both of you for the help, and thanks to Eli for suggesting it. It was lame of me to literally not open the Adjustments menu until now while convincing myself that I had exhausted all options.


To state it directly, it completely works, I appreciate it!

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