The flag of Brazil is made up of the following four colors:
1. Green: represents the lush forests and fields of Brazil.
2. Yellow: represents Brazil's abundant mineral resources such as gold.
3. Blue: represents the sky, rivers, and ocean.
4. White: represents peace, purity, and Brazil's aspirations towards progress.
These colors are arranged in a specific way in the flag, with the green and yellow taking up the largest areas of the flag. There is also a blue circle in the center of the flag with stars representing the Brazilian states.