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  2. 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.

  3. 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.

  4. Political colour - Wikipedia

    en.wikipedia.org/wiki/Political_colour

    From these associations, among others, the colour purple has been linked with far-right politics in the UK. However, it is also the colour of the centre-left , pro-European Co-operative Party , a little-known party with an electoral pact with the Labour Party .

  5. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    The green color is caused by the combination of: 1) an amber or light brown pigmentation in the stroma of the iris (which has a low or moderate concentration of melanin) with: 2) a blue shade created by the Rayleigh scattering of reflected light. Green eyes contain the yellowish pigment lipochrome.

  6. 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

  7. 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 ...

  8. Liturgical colours - Wikipedia

    en.wikipedia.org/wiki/Liturgical_colours

    Blue is used for Advent. White is used for Christmas, Epiphany, Sundays of Easter, Holy Trinity, and Christ the King. For Lent, purple is used. During the time after Pentecost and the Epiphany, green is used.

  9. 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.

  10. 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 ...

  11. Aurora - Wikipedia

    en.wikipedia.org/wiki/Aurora

    blue, purple or red; blue and purple if the molecule regains an electron after it has been ionized, red if returning to ground state from an excited state. Oxygen is unusual in terms of its return to ground state: it can take 0.7 seconds to emit the 557.7 nm green light and up to two minutes for the red 630.0 nm emission.