I still don't know what to call these socks, and I don't know what the colorway is called. I've searched their website and can't find it (I bought the yarn several years ago) and I even searched my email and found an old receipt that might have it, and it might be Cupcake, but somehow I just don't think this yarn looks like a Cupcake.
Pattern: Basic Toe-Up Sock from Custom Socks by Kate Atherley
Yarn: Biscotte & Cie Felix
Needle: US 1 (2.25 mm)