Here they are on the nail in the glare of my lightbox:
I used three coats of all of these, over a base of Nail Tek Foundation II (which doesn't seem to work well for me in my regular manis, so I'm using it up swatching). The person who said the Petites was a dupe for In Between the Sheets was right; I had to keep checking my notes when I was putting them on because I could not tell which was which. They're both a bit lighter than Hip Huggers and tend a tiny bit more toward the blue in blue violet, but are as close to Hip Huggers as anything I've found so far. In regular room light, the differences are even less noticeable than in the lightbox:
I think either the CHI or the Petites would make a great substitute if you're wanting Hip Huggers and haven't been able to find it. I think the CHI is a limited edition, though I have seen a few at Ulta recently.