A simple precaution, don't attempt to multi-task while you dye it, chances of ending with possible stains everywhere is just bad.
Dark colors are hard to do, especially when you dye and its wet, my hair gets like pure black when I use dark dyes myself. For such colors like that, typically the light is usually safe if not normal solid.
As for finding that PALTY brand, I can't be certain. Possibly try yellow pages.com and call up a few local places to see if they carry it?