K=2 separates African from non-African populations.
K=3 reveals a West Eurasian ancestry component [Blue].
K=4 breaks the African component into an African hunter-gatherer ancestry maximized in Bushmen such as the Ju_hoan_North [Red] and an African farmer component maximized in the Yoruba [Orange].
K=5 breaks the ENA [eastern non-African] component down into one maximized in the Karitiana from the Americas [Green] and one maximized in the Ami from Taiwan [Yellow].
K=6 reveals a south Eurasian component maximized in Papuans [Purple], which is also represented in South Asians.