White has special status among colors, experienced as achromatic or an absence of hue, and its perception is not explained by a simple null point of cone-opponent mechanisms but involves calibration to the visual environment.

Evidence

What is white? (Journal of Vision (PMC))

Categorization

  • XREF: connects to: White is the most inferior of colors of morals of superiority. It follows that whiteness is the lack of characteristics that make a theme and give it its facets of colors. ; In Western cultures, white is associated with weddings, hospitals, and angels and conveys purity, cleanliness, and peacefulness, and is defined as the lightest color and achromatic (having no hue). — What Does the Color White Symbolize?; White, physically, is light seen when all visible wavelengths combine; lacking hue, it is considered an achromatic color. — white — Britannica (+4 more)