Difference between citrinitas and rubedo

The citrinitas and rubedo are the third and fourth stages of the original Greek four-color alchemical sequence — melanosis, leukosis, xanthosis, iosis — and their relationship is one of the most psychologically charged questions in the entire alchemical corpus, not least because the citrinitas was largely suppressed. Jung documents the historical fact plainly in Psychology and Alchemy:

Four stages are distinguished, characterized by the original colours mentioned in Heraclitus: melanosis (blackening), leukosis (whitening), xanthosis (yellowing), and iosis (reddening)… Later, about the fifteenth or sixteenth century, the colours were reduced to three, and the xanthosis, otherwise called the citrinitas, gradually fell into disuse or was but seldom mentioned.

The compression matters because it was not chemically motivated. Jung is explicit that the shift from four stages to three was driven by "inner psychological reasons" — specifically the pull of trinitarian symbolism over quaternary completeness. Something was lost, and what was lost is precisely the citrinitas.

What the yellowing is. The citrinitas occupies the threshold between the lunar purification of the albedo and the solar embodiment of the rubedo. Where the albedo is silver, reflective, cool — what Jung called "a sort of abstract, ideal state" — the citrinitas is the first heat, the first solar intensification. Hillman, who recovers the stage most fully in Alchemical Psychology, describes it as fermentation: the white reflection must be planted underground, must putrefy and brew, before it can bear fruit. Bosnak renders this precisely — yellow is "a time of practice and rehearsal, a time when reflective images, like leavened bread, gain more and more body." The albedo knows; the citrinitas begins to suffer what it knows.

Hillman pushes further. The yellowing is not merely transitional — it carries its own irreducible psychic coloring:

During nigredo there is pain and ignorance; we suffer without the help of knowledge. During albedo the pain lifts, having been blessed by reflection and understanding. The yellow brings the pain of knowledge itself. The soul suffers its understanding.

This is the citrinitas as distinct phenomenology, not as corridor. The yellowed mind is hot, critical, bile-laden — it sees through the white harmony it has just achieved. Yellow observes whiteness. The cauda pavonis eyes multiply; single-pointed lunar reflection gives way to a dawning of multiple vision. Cowardice, jealousy, aging, decay — the English associations Hillman catalogs — are not incidental. They name the specific emotional register of a consciousness that has gained clarity and is now exposed to what that clarity costs.

What the reddening is. The rubedo is sunrise after the citrinitas's pale dawn. Jung's 1952 formulation, cited by Edinger in Anatomy of the Psyche, is the most direct statement of what the reddening actually accomplishes:

In order to make it come alive it must have "blood," it must have what the alchemists call the rubedo, the "redness" of life. Only the total experience of being can transform this ideal state of the albedo into a fully human mode of existence.

Where the albedo purifies and the citrinitas ferments, the rubedo incarnates. It is the coniunctio oppositorum achieving embodied stability — the lapis not as abstract attainment but as lived reality. Abraham's Dictionary of Alchemical Imagery puts it in the language of the tradition itself: at the rubedo, "the silvery moonlight and dawn light of the albedo phase develop into the golden illumination of the midday sun." The King and Queen complete their chemical wedding. The unio mentalis — soul and spirit united in the albedo — rejoins the body.

The structural difference. The citrinitas is the suffering of understanding; the rubedo is the enactment of what has been suffered through. The yellowing is still interior — fermentation, irony, the jaded eye that sees through its own fresh insights. Hillman notes that in its extreme it tips toward cynicism and nihilism, the "yellow belly of cowardice" that refuses to act on what it has grown. The rubedo is precisely the act: Bosnak's example is Gandhi's Salt March — a period of meditation and fasting (the fermentation phase) followed by a concrete embodied defiance that "tinctured the British Empire." The rubedo retains self-awareness without losing spontaneity; it is reflection that has grown a body.

Hillman adds one further complication that resists any clean sequential reading. The citrinitas is not simply a stage on the way to the rubedo — it is already implicated in it. The fourth color is "a tincturing gold, both yellow and red, three and four at once, so that the citrinatio is fully implicated a priori in the rubedo." The yellowing is the secret of the reddening, concealed in the gerundive -ing — an ever-active clarification that the rubedo does not leave behind but carries forward as its own hidden ground.

  • albedo — the whitening stage: lunar purification, reflective consciousness, the abstract ideal state that precedes embodiment
  • nigredo — the blackening: initial dissolution and the encounter with the unconscious that opens the opus
  • James Hillman — portrait of the archetypal psychologist who recovered the citrinitas as an independent psychic coloring
  • opus alchymicum — the alchemical Work as a whole: its stages, operations, and psychological significance

Sources Cited

  • Jung, C.G., 1944, Psychology and Alchemy
  • Hillman, James, 2010, Alchemical Psychology
  • Edinger, Edward F., 1985, Anatomy of the Psyche: Alchemical Symbolism in Psychotherapy
  • Bosnak, Robert, 2007, Embodiment: Creative Imagination in Medicine, Art and Travel
  • Abraham, Lyndy, 1998, A Dictionary of Alchemical Imagery