I have same problem. Both files are in same folder and in cfg file I placed right path.
And color.bat gives different province bmp.
http://i.imgur.com/MpMuHvg.png
http://i.imgur.com/35OI3o8.png
This:
It turned out the config file wasn't accepting double back slashes... When I swapped them to forward slashes, it found the file. One more mystery unravelled.