兩面 is two face, and 黃 is yellow. So 兩面黃 is two-faced yellow noodles, characterizing how it's yellow on top and bottom.
About This Dish
Egg noodles pan-fried into a crispy pillow (sometimes called “crispy noodle pillow”) and typically served with gravy and seafood (for takeout, the gravy and seafood are in a separate container so the crispy noodles stay crispy until you get home).