It looks fine, I don't use resource packs anymore, but it's not that bad.
It's easy enough to tell what things are and looks good like Sphax PureBDCraft. I've never used Painterly but from what I've seen and having only heard of the pack it looks fine enough. Sure some colours or textures aren't much but I wouldn't say it's terrible (and I'm not that picky about art styles/graphical changes).
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