It sounds like your style is vintage eclectic, which is a great thing because you can hit up thrift stores, flea markets, and garage sales to find some old-world, beautiful items!
If you want to ground the pale purple, you could bring in a deep emerald green accent. This would give your room that forest vibe, also! Another accent option that could be really pretty is aged, rustic wood. Gotta have some textures, too!