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  2. Purple - Wikipedia

    en.wikipedia.org/wiki/Purple

    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.

  3. List of awareness ribbons - Wikipedia

    en.wikipedia.org/wiki/List_of_awareness_ribbons

    This is a partial list of awareness ribbons.The meaning behind an awareness ribbon depends on its colors and pattern. Since many advocacy groups have adopted ribbons as symbols of support or awareness, ribbons, particularly those of a single color, some colors may refer to more than one cause.

  4. List of colors by shade - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_by_shade

    Magenta is variously defined as a purplish-red, reddish-purple, or a mauvishcrimson 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.

  5. Strange purple light phenomenon ‘Steve’ spotted across UK skies

    www.aol.com/strange-purple-light-phenomenon...

    Powerful solar storms over the weekend led to aurora borealis in the skies above the UK on Sunday alongside a strange purple light phenomenon known as Steve.. The light phenomenon, referred to as ...

  6. UK railway signalling - Wikipedia

    en.wikipedia.org/wiki/UK_railway_signalling

    By night, it shows a red light when "on" and a green light when "off" (clear). The green light is usually produced through the use of a blue spectacle lens, which produces green when lit from behind by the yellowish flame from a paraffin lamp.

  7. These magnificent purple and green lights aren’t auroras ...

    www.aol.com/magnificent-purple-green-lights-aren...

    Such is the case for the sweeping purple and green lights that can hover over the horizon in the Northern Hemisphere. The phenomenon looks like an aurora but is in fact something entirely ...

  8. Violet (color) - Wikipedia

    en.wikipedia.org/wiki/Violet_(color)

    Violet is closely associated with purple. In optics, violet is a spectral color (referring to the color of different single wavelengths of light), whereas purple is the color of various combinations of red and blue (or violet) light, [5] [6] some of which humans perceive as similar to violet.

  9. Wikipedia:WikiProject UK Railways/Colours list - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject_UK...

    green 23841f: Altrincham–Piccadilly purple 711279: Eccles–Ashton (peak only) light blue 5fc9f3: Piccadilly–Bury yellow edb600: East Didsbury–Rochdale pink ef80b1: East Didsbury–Shaw (peak only) brown 867864: The Trafford Centre–Deansgate red e20006: Manchester Airport–Victoria dark blue 1769b4

  10. Complementary colors - Wikipedia

    en.wikipedia.org/wiki/Complementary_colors

    The complementary primary–secondary combinations are red – cyan, green – magenta, and blue – yellow. In the RGB color model, the light of two complementary colors, such as red and cyan, combined at full intensity, will make white light, since two complementary colors contain light with the full range of the spectrum.

  11. Shades of purple - Wikipedia

    en.wikipedia.org/wiki/Shades_of_purple

    Shades of purple. There are numerous variations of the color purple, a sampling of which is shown below. In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among ...