Lao Soya Sauce is a thick-colored soy sauce made by adding caramel to the base of soy sauce through a special process. So the biggest difference between light soy sauce and dark soy sauce is that one is used for seasoning and the other is used for coloring, and distinguishing between light soy sauce and dark soy sauce is also very simple, light soy sauce is a little brighter in color while dark soy sauce is darker in color, and when poured into a bowl, light soy sauce won't stain the walls of the bowl while dark soy sauce will stain the walls of the bowl, so just pour them out.
Distinguishing from the taste, although the color of the dark soy sauce is strong, the taste is a bit lighter and a bit sweeter. Then it's easy to tell the difference between soy sauce and Sriracha. After all, both are categorized as soy sauce, but there's a big difference.