I Found the answer, Click in Atrribute and select what color do you like.
https://drive.google.com/file/d/1I8cmPlYE9wWf4RGf4BjGUGTCbkNxhMJ5/view?usp=share_link
Hi eernandes13 .
The confusion is completely understandable; what used to be called Grease Pencil (before 2.80), is now called Annotate:
Now, Grease Pencil is an Object with much more possibilities, but is not suited for outlining topology on a Mesh or simply adding some handwritten notes and so.