Blue Midas Blenny? Dark BiColor?

Hi all,



I just picked up a blenny for my tank, and I'm not sure what kind exactly she is. The store had her listed as a blue midas blenny, and while the body shape is pretty accurate, I find it hard to believe. Any ideas?











definitely more yellow towards the back, but her face is also mildly yellow. The pictures really don't do her justice, very nice looking fish