The purple of these socks is more of a blue-lavender, pastel violet, or periwinkle type of purple. It matches pretty much perfectly with the lavender Little Dipper cardigan also from 42Lolita, and with the lavender Bouquet Blanc JSK from Baby The Stars Shine Bright. Until now, this specific hue of purple has been agonizing to find matching things for, so I am so happy that this matches!
There is a faint dark line seam on the sides, but it is actually hard to notice without being close up, and the pattern is placed in a way that the seam is hardly noticeable on the pattern itself, so I would say it's pretty high quality than average, and there was definitely thought and effort to make the seam minimal which is great.
My only complaint would be the toe seam. It's not faulty, it's just the standard toe seam for thigh highs and stockings. But for me particularly, I cannot stand the seam right at the toe tips. My solution is just to wear some thin short socks inside of it, and that works.
It is kind of tight on me as well and not super stretchy, which I expected since I'm a little over the average leg thickness of Asian sizing. But I am also very short (4'11") so they are also pretty long on me, and I need a garter belt to prevent them from rolling down. Once I put the garter belt on, it was just fine though. The height is higher than my skirts, so it looks more like tights appearance-wise. I think if you're much taller, it could probably start to pass for OTKs.
Here are my leg measurements:
60cm (widest)/52cm (upper)/43cm (mid)/40cm (otk)/33cm (knee)