>On 02/17/2011 11:24 PM, Suntot wrote
>>> On 02/17/2011 03:00 AM, Suntot wrote:
>>>> Well, I am new at this. Not even sure if what I am attempting is possible. 
>>>> I am trying to change a specific color in an image. If I use 'color 
>>>> selection' the edges don't change color. So I am trying to use color to 
>>>> alpha... But, when I select by color, it seems to select all similar color 
>>>> in the area, thus when I add a new layer it does the change the color I 
>>>> wanted to change, but it also changes the rest of the image with a similar 
>>>> color tone. What can I do to precisely select a specific color or portion 
>>>> of an image with color to alpha?
>>> Color-to-alpha only applies to the selection, so you can restrict its
>>> effects by doing a selection first. For instance to remove a background,
>>> use the wand to get a rough selection of the background, grow the
>>> selection by  a couple of pixels so that it includes the edges of the
>>> foreground, and perform color-to-alpha.
>> I tried doing a selection but since both colors are similar it selects all. 
>> Changed selection thresholds and it still doesn't work. Here is what I am 
>> trying to change: 
>> http://www.weddingclipart.com/wca/edittemplate.do?template=218069
>> I am trying to change the colors of the scrolls on the wedding invitation. 
>> The dark blue into a red, the lighter into a black. Yet I can't seem to get 
>> it to work flawlessly. Please help. thanks

------big snip --------

>Conceal the trickery by flipping the clipart vertically :-)

>Unless someone has a better solution?


You can get a 'reasonable' result in Gimp. The colours actually select quite 
well and I found painting over with a large brush better than a bucket fill. 
Still those annoying pixels around the dark blue area spoil it.

A better solution?

Best results by far were with inkscape so maybe OP should consult the inkscape 
my attempt here http://imgur.com/UPWO2

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