ELI5 Red & White Meat - what makes chicken meat white, but beef red?

Why is chicken meat white, but beef red? Is veal red or white? What color is human meat? Why is squid meat so different from the meat of other animals?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: pawataka, momsemann, ibn_cthulhu, cptsaysin, innovator97 & dercatzfragger To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: [email protected]