Any food coloring can be used in cake.
Food Coloring is used to change the color of something such as paper, water, cakes, icing, etc.
no, quinceanera cakes are used with bright colors or you can use white but not all quinceanera cakes look like wedding cakes.
Edible food colouring is used to artificially colour food. One instance is that Cochineal is a red colouring that can be added to white icing to produce red or pink icing for decorating cakes.
The same thing that it is used for in other food products, flavor.
The Maori word "ma" is used for the color white.
You can't make white food coloring, but you can get a commercially made icing whitener. It is used in cake icings when the butter in it causes the icing to be more of an off-white or pale yellow color. It can also be used to lighten the color of a cake icing if too much food color was used. It could also be used in other foods, as well, either cooked or uncooked foods. You can get it at many grocery stores, and also a stores that sell cake decorating supplies, such as Michael's. The one I use is made by Wilton.
white
The color of the food depends on the ingredients used, and sometimes the cooking method. Poaching chicken and fish can make it fairly white. Beef and pork retain their brown/red coloring. If you want to add a white gravy (bouillion, white flour or cornstarch), that will add "white" to the food.
Almost any cake can be iced using fondant, but some cakes work better than others. Firmer cakes (white, yellow, chocolate, vanilla, bundt, devil's food, etc.) work better with fondant than soft or delicate cakes (angelfood, for example).
It matters in what food.
white
Cotton candy is a food made from sugar. It is naturally white when made. Food coloring is added to make it "fun", and that is why cotton candy is often pink or blue. The name "cotton candy" might be used to describe a color, such as a paint chip or a crayon, but that name was used simply to make it sound fun and the color it represents is completely arbitrary.