Tumblr Color Theory Children's Hospital Post

Tumblr Color Theory Children's Hospital Post is a viral reblog thread on Tumblr where a user claims that red, painted pathways on a hospital floor do not necessarily look like blood because, in color theory, red has more positive than negative connotations. The post was made in January 2019 and gained viral spread that year, inspiring memes where red painted and bloody floors are referenced as children's hospital floors.