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I made this image:

Gimp gif

And now I need to save it to Gif, but no matter what I try I end up with an image containing only two colors.

How can I properly reduce the palette of my image to the actual number (apparently no more that a dozen shades of grey) it contains? I tried imagemagick's convert too, but it produces a nasty blur, actually adding colors :/

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  • The GIF format doesn't support semi transparency. – Billy Kerr Mar 25 at 11:17
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The answer is simply that all your pixels are in fact the same color (white), they just have different transparency.

A GIF only has 1-bit transparency. A pixel is either 100% opaque or 100% transparent. So it's not possible to save a GIF preserving these semi-transparent pixels.

The solution would be to save a PNG-24 instead as it supports 8-bit transparency.

Alternatively, if the image is always to be shown on same background color, you can add the background color to the image and save it as a GIF without transparency.

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