I bought one as a pastel that was blushed VERY similar to yours. After she has bred, she is browned out much more, and was proven to be a pastel, not a super. I don't think you have a super there.
I don't think super pastel. I'd think maybe some combo before super pastel, because it just doesn't have quite the right look for a super. Most likely the breeder was right and it is "just" a very nicely blushed pastel.