The “pink sister vs. purple sister” theory became a topic in 2022 but was reintroduced earlier this year by Lucinda Price on the “Flex & Froomes” podcast.

A version of this article appears in print on June 25, 2023, Section RE, Page 6 of the New York edition with the headline: Hot Pink Moves Into Interior Design in a Bold Way.

Germany’s away kit for Euro 2024 — a primarily pink shirt with a purple pattern that goes from lighter to darker — was intentionally different from the norm.