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A rainbow is a decomposition of white light into all of the spectral colors. Laser beams are monochromatic light, thereby exhibiting spectral colors. A spectral color is a color that is evoked by monochromatic light, i.e. either a spectral line with a single wavelength or frequency of light in the visible spectrum, or a relatively narrow spectral band (e.g. lasers).
Magenta is variously defined as a purplish-red, reddish-purple, or a mauvish–crimson color. On color wheels of the RGB and CMY color models, it is located midway between red and blue, opposite green. Complements of magenta are evoked by light having a spectrum dominated by energy with a wavelength of roughly 500–530 nm.
The pure essence of purple was approximated in pigment in the late 1960s by mixing fluorescent magenta and fluorescent blue pigments together to make fluorescent purple to use in psychedelic black light paintings. This tone of purple was very popular among hippies and was the favorite color of Jimi Hendrix. Thus it is called psychedelic purple ...
An example of this phenomenon is when clean air scatters blue light more than red light, and so the midday sky appears blue (apart from the area around the Sun which appears white because the light is not scattered as much). The optical window is also referred to as the "visible window" because it overlaps the human visible response spectrum.
Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining magenta pigment with either cyan pigment, black pigment, or both.
The science behind the white to purple light change. Purple street lights contrast with the red stop lights at the intersection of Hypoluxo and Jog Roads in Palm Beach County.
The Susan B. Anthony stamp (1936), was the reddish tone of purple sometimes known as red-violet since violet was a color that represented the Women's Suffrage movement. In the early 20th century, violet, white and gold were the colors of the women's suffrage movement in the United States, seeking the right to vote for women. The colors were ...
When white light is viewed, the red portions of light incident upon the eye are not transmitted as efficiently as the other wavelengths (or colors), and the result is the illusion of viewing the complementary color since the image is now biased by loss of the color, in this case red. As the receptors are given time to rest, the illusion vanishes.
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