That's really interesting Troy.
I've tried a similar technique in Lightroom with mixed success.
I've also played with this in Photoshop but I find Lightrooms approach more intuitive.
I think it worked well in this SHO Carina nebula:
http://hughsblog.wordpress.com/2014/...ubble-palette/
But then the couple of images I did after this looked weird and seemed to look better with magenta stars, like this M16:
http://hughsblog.wordpress.com/2014/...ubble-palette/