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changing a colour

Nov 10, 2011, 01:32
Post: #1
changing a colour
Greetings!

I've opened a gif file (web icon) which has shades of green. I want to use this on another site of ours which is similar but has shades of orange.

I use the dropper to select the colour from a gif on the orange site - so the colour is there in the colour section box.

When I try to draw / fill on the green gif it ignores the orange colour selected and uses a green from green gif. A lighter orange gives a lighter green.

What is happening???

Thanks,
Neb
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Nov 10, 2011, 02:20
Post: #2
RE: changing a colour
In a GIF, the only colors you can use are those in the indexed palette (256 colors max). So when you drop a new color, Gimp find the closest one in the palette. Ideally, you transform your image by changing the colors in its palette (Colors/Map/Rearrange color map). In case you wonder, importing the color map from the other image will not produce the required results.

A low-fi solution is to convert your image to RGB (Image/Mode/RGB) chnage the colors, and then change it back to indexed.

This said, using GIF for icons is so 20th century, the in image format for icons is PNG, which supports full color. See http://gimpforums.com/thread-pros-and-co...ge-formats

Now answering your questions on
https://Gimp-Forum.net
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Nov 10, 2011, 03:37
Post: #3
RE: changing a colour
Thanks for that!

I changed the file to png and I could re-colour as I needed to.

One still acted weirdly (eg. white came out cyan), but I could add an additional layer and recolour that one - then merge it down.
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