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changing image to different color

Jun 30, 2011, 17:05 (This post was last modified: Jun 30, 2011 21:52 by kevin32.)
Post: #1
changing image to different color
Hi. I have an image and all I want to do is change it to a different color. So if the image is mostly red, I want to shade it blue but still keep its quality, meaning the light-red pixels will turn light-blue, and the dark-red pixels will turn dark-blue.

I prefer an option that automatically changes all the colors for the entire image, but if there is a shader tool where I have to manually shade the image, that'll help too.

EDIT: I figured it out. I input the image, then I went to Image > Mode > RGB, and from there I went to Colors > Colorize and used the sliders to change the image to the color I want.
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Jun 30, 2011, 17:30
Post: #2
RE: changing image to different color
Look at Colors > Map > Rotate colors

This lets you select a range of hues, and transform it to another range of hues.

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Jun 30, 2011, 19:09 (This post was last modified: Jun 30, 2011 19:10 by kevin32.)
Post: #3
RE: changing image to different color
I input my image in GIMP, selected the entire image, and went to those settings, but they don't highlight. I'm very new to GIMP, so I don't know if there are some steps I'm missing to make this happen.
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Jun 30, 2011, 19:44
Post: #4
RE: changing image to different color
Is your image a GIF by any chance? Then convert it to full RGB first (Image/Mode/RGB).

However, if the image is actually a GIF, this may not give very good results, because a GIF image only contains a maxiuum of 256 different colors. To convert a full-color image to GIF, a color quantization is performed, so here you would be doing dequantize-change colors-requantize and this could have surprising results. If there are only a few colors in the GIF (a few you want to change, that is), it may be better to keep the image quantized, and edit the colors one by one in the Color Map (Windows/Dockable dialog/Color map)

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