mestizo vs. mulatto

noun

plural

mestizos, mestizoes 
  1. a person of mixed racial or ethnic ancestry, especially, in Latin America, of mixed Indigenous and European descent or, in the Philippines, of mixed Indigenous and foreign descent.

noun

plural

mulattoes, mulattos 
  1. Anthropology.,  (not in technical use) the offspring of one white parent and one Black parent.

  2. Older Use: Offensive.,  a person who has both Black and white ancestors.

adjective

  1. of a light-brown color.