1, Oreo cookies are mostly black, and some cookies are black and pink, such as strawberry Oreo cookies. However, the double crown biscuit crumbs are yellow, and there are no other colors of double crown biscuit crumbs.

2. Oreo biscuit crumbs are sweeter than double crown biscuit crumbs, because Oreo biscuit crumbs contain a lot of sugar and fat, and when fat and sugar are mixed, they will become sweeter.