The Fúnfún/Pupa/Dúdú Colour System
White, red and black in Yoruba speech are not a fixed symbolic code where each colour always means one thing. Each saying sets its own local colour logic, and the mistake is importing one proverb's meaning of a colour into another's.
La idea
Yoruba proverb-speech uses three basic colour terms with unusual frequency: fúnfún, white; dúdú, black; pupa, red or a lighter reddish-brown. None of them function as neutral visual description. In every documented case a colour term is doing evaluative or diagnostic work, a claim about purity, seniority, concealment, or a reliable natural pattern, never simply naming a hue for its own sake.
El malentendido
The natural assumption, especially for a reader used to a fixed colour symbolism (white for purity, black for evil, in the manner of a great deal of Western iconography), is that Yoruba colour terms carry one stable meaning wherever they appear, and that meaning can be looked up once and applied everywhere. The documented proverb record does not support that. Across a set of fourteen sourced proverbs collected in one place, white marks purity or high value in some sayings, but in others marks nothing more than visible physical evidence of a concealed act, or simply the normal expected result of weather on skin. Black marks seniority and depth in the single most explicit case in the set, dúdú lágbà, pupa làbúrò, black is the elder, light brown is the younger, a direct, undecorated statement ranking dark complexion above lighter complexion in social standing. But elsewhere in the very same collection, dúdú marks nothing more than an unripe plantain, or is paired with an evil disposition specifically to make the point that outward colour does not predict inward outcome. Red or light brown appears only twice in the documented set, and both times only in direct opposition to another colour, never carrying an independent meaning of its own.
Un ejemplo trabajado
Two proverbs in the same collection use the identical image, red blood kept inside against white saliva spat outward, and read it in opposite ethical directions. Original > Fi ẹ̀jẹ̀ sínú, tu itọ́ funfun jáde. Literal gloss > Put blood inside, spit saliva white outward. Idiomatic English "Keep your red blood inside and spit out clear saliva." Used, per Owomoyela's note, of concealing hostility toward an enemy behind a calm exterior, sometimes as a specific criticism of doing so. Translator: Oyekan Owomoyela Notes on the translation. The contrast hinges on visceral interiority versus visible oral discharge. The term ẹ̀jẹ̀ (blood) carries physiological heat and concealed distress, while itọ́ funfun (white/clear saliva) represents the cool, composed social surface displayed to an antagonist. Original > A kì í fi ẹ̀jẹ̀ dúdú sínú tu ìtọ́ funfun jáde. Literal gloss > We do not put blood dark inside spit saliva white outward. Idiomatic English "One does not leave red blood inside and spit out white saliva." Used of never letting people believe you love them while secretly wishing them ill. Translator: Oyekan Owomoyela Notes on the translation. Here ẹ̀jẹ̀ dúdú (literally dark blood) emphasizes accumulated, clotted malice. The negative habitual marker a kì í turns the phrase into a categorical ethical prohibition against duplicity among kin or allies. Same colour pair, same physical image, and Owomoyela's own usage notes place the two in opposite moral registers: the first as tactical self-protection against a known enemy, acceptable, the second as a condemnation of concealed malice toward someone who trusts you, unacceptable. If a reader assumed "red inside, white outside" carried one fixed meaning, encountering the second proverb would look like a straightforward contradiction of the first. It is not a contradiction. Each proverb sets its own occasion and its own moral weight for the identical colour image, and the meaning lives in the specific saying and the situation it is spoken into, not in the colours as free-standing symbols.
Por qué importa
The colour system is one of the clearest demonstrations of a rule that holds across this entire corpus's proverb material: a saying's meaning is anchored to its documented occasion of use, never to its imagery read in isolation. A reader who tries to build a master key, "white always means X, black always means Y," and then apply it to a new, unfamiliar proverb will get the reading wrong roughly as often as right. The correct method is the opposite of a lookup table: read each colour proverb on its own sourced terms, check what its own usage note says it is used for, and resist importing meaning from any other proverb that happens to share a colour word.