What Is It About Skin Color?

A top expert on the evolution of our pigmentation explains how we all became so color-struck.

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(Special to The Root) -- Skin color is one of our most important biological traits. Its many shades evolved as humans moved far and wide into regions with different intensities of sunlight. Skin color is also a trait that has come to have deep cultural meanings -- developed over many centuries -- that influence our social interactions and societies in profound and complex ways.

We notice one another's skin because we are visually oriented animals, but there is no genetically programmed bias to favor one color over another. Over time, however, we have developed beliefs and biases about skin color that have been transmitted over decades and centuries and across vast oceans and continents.

The first scientific classification of humans, published by Carl Linnaeus in 1735, was simple and separated people into four varieties by skin color and continent. Later, Linnaeus not only added more physical traits to his descriptions but also changed them to include information that he had surmised about temperament. Europeans were white and "sanguine," Asians were brown and "melancholic," Native Americans were red and "choleric" and Africans were black and "phlegmatic."

This analysis was the first authoritative classification that combined physical traits with folk beliefs about dispositions and character. The folk beliefs had little to do with fact or observation but were mostly just fables -- racist pronouncements that were personal and emotional expressions of, at best, discomfort and, mostly, prejudice. From this point on, debasing associations of physical appearance with temperament and culture became commonplace and were considered scientific. Racism had found its intellectual foundation.

The first person to formally define "races" was the noted philosopher Immanuel Kant, who in 1785 classified people into four fixed races, which were arrayed in a hierarchy according to color and talent. Kant had scant personal knowledge of human diversity but opined freely about the tastes and finer feelings of groups about which he knew nothing. For Kant and his many followers, the rank-ordering of races by skin color and character created a self-evident order of nature that implied that light-colored races were superior and destined to be served by the innately inferior, darker-colored ones.

Despite the strong objections of many of his contemporaries, Kant's ideas about a fixed natural hierarchy of human races, graded in value from light to dark, gained tremendous support because they reinforced popular misconceptions about dark skin being more than a physical trait. The preference for light over dark -- strictly speaking, white over black -- was derived from premedieval associations of white with purity and virtue, and of black with impurity and evil.

The light-dark polarity was extended to the human sphere with the establishment of the slave trade and hereditary slavery in the Americas. Negative associations of dark skin and human worth were now profitable. As the transatlantic slave trade became more lucrative, the moral polarity of skin colors was accentuated to the extent that light and dark were respectively associated with human and animal, creating one of the most sinister and long-lived patterns of unfairness that the world has ever known.

The notion that the superiority of the white race was part of the natural order was deviously reinforced by the rise of modern "scientific" racism in the late 19th century. Certain "stocks" of humanity were considered to be more highly evolved and civilized because of their color, superior "fitness" and "adaptations." "Racial souls" were seen as mapping onto unique suites of physical traits, creating crazy ideas of ranked human types and civilizations. The association of color with character and the consequent ranking of people according to color stands as humanity's most momentous logical fallacy.

Today one of the biggest concerns is the reinvention of clinical concepts of race, based on inaccurate generalizations about the susceptibility of people to certain disease risks. If clinical constituencies redefine and repackage the races as real biological entities, then we face a new era of scientific racism no less frightening than the first. Clinical authorities hold a sanctified place in American society and are capable of creating a new reality of labeled races that will be widely believed and promulgated because it is "for the good."

The idea that race is a social construct is becoming more widespread, but that doesn't diminish scientific racism as a real concept in the minds of many people who want to believe in it. Nor does it lessen the lived experience of racism today. Racist beliefs, anchored in the scientific racism of a bygone era, persist today but are mostly hidden because it is socially and politically unacceptable to air them. 

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