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Philosophy of color. The philosophy of color is a subset of the philosophy of perception that is concerned with the nature of the perceptual experience of color. Any explicit account of color perception requires a commitment to one of a variety of ontological or metaphysical views, distinguishing namely between externalism / internalism, which ...
The light spectrum is a line on which violet is one end and the other is red, and yet we see hues of purple that connect those two colors. Impossible colors are a combination of cone responses that cannot be naturally produced. For example, medium cones cannot be activated completely on their own; if they were, we would see a 'hyper-green' color.
Grapheme–color synesthetes, as a group, share significant preferences for the color of each letter (e.g., A tends to be red; O tends to be white or black; S tends to be yellow, etc.) Nonetheless, there is a great variety in types of synesthesia, and within each type, individuals report differing triggers for their sensations and differing ...
Violet is the color of light at the short wavelength end of the visible spectrum. It is one of the seven colors that Isaac Newton labeled when dividing the spectrum of visible light in 1672. Violet light has a wavelength between approximately 380 and 435 nanometers. [2] The color's name is derived from the Viola genus of flowers.
The color of a light source affects the apparent color of an object the light shines on. For example, the color of an object might appear different in the light from the sun versus from an incandescent (tungsten) light bulb. With the incandescent light bulb, the object might appear more orange or "brownish", and dark colors might look even ...
God's eye. A God's eye (in Spanish, Ojo de Dios) is a spiritual and votive object made by weaving a design out of yarn upon a wooden cross. Often several colors are used. They are commonly found in Mexican, Peruvian, and Latin American communities, among both Indigenous and Catholic peoples. Ojos de Dios are common in the Pueblos of New Mexico.
White light is dispersed by a prism into the colors of the visible spectrum. The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the ...
Knowledge argument. The knowledge argument (also known as Mary's Room or Mary the super-scientist) is a philosophical thought experiment proposed by Frank Jackson in his article "Epiphenomenal Qualia " (1982) and extended in "What Mary Didn't Know" (1986). The experiment describes Mary, a scientist who exists in a black-and-white world where ...