If I remember correctly, the UI peices are all in a coupple files, well the ones that need to be changed from blue to whatever color.
I would sugest just open the files in photoshop, or your choice graphic editor and adjust the hue/saturation of the files, make sure your choosing colorize, it will change the colors of the colored areas and leave the black/gray alone. it will make it very easy to develop new color layouts.
I love what you have done with the Mod, you have done a good deal of improvements and the upkeep is nice.
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