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  2. List of RAL colours - Wikipedia

    en.wikipedia.org/wiki/List_of_RAL_colours

    Pastel orange: U9 line of the Berlin U-Bahn: RAL 2004: Pure orange: RAL 2005: Luminous orange: RAL 2007: Luminous bright orange: RAL 2008: Bright red orange: RAL 2009: Traffic orange: KTM orange RAL 2010: Signal orange: RAL 2011: Deep orange: CIÉ Supertrain ; S5 line of the Milan S Lines: RAL 2012: Salmon orange: RAL 2013: Pearl orange: RAL ...

  3. RAL colour standard - Wikipedia

    en.wikipedia.org/wiki/RAL_colour_standard

    RAL colour standard. RAL is a colour management system used in Europe that is created and administered by the German RAL gGmbH [ de ][ 1 ] (RAL non-profit LLC), which is a subsidiary of the German RAL Institute [ de ]. In colloquial speech, RAL refers to the RAL Classic system, mainly used for varnish and powder coating, but now plastics as well.

  4. List of flags by color combination - Wikipedia

    en.wikipedia.org/wiki/List_of_flags_by_color...

    Bhutan (with distinct yellow and orange) Hanover (1837–1866) Hindu flag (with distinct orange) Jacksonville, Florida, United States (with a distinct gold and orange and a brown emblem) Jerusalem cross – flag used by several Crusader states. Kędzierzyn-Koźle, Poland (with multicolored coat of arms)

  5. Vermilion - Wikipedia

    en.wikipedia.org/wiki/Vermilion

    A Chinese "cinnabar red" carved lacquer box from the Qing dynasty (1736–1795), National Museum of China, Beijing. Vermilion (sometimes vermillion) [1] is a color family and pigment most often used between antiquity and the 19th century from the powdered mineral cinnabar (a form of mercury sulfide). It is synonymous with red orange, which ...

  6. Color vision - Wikipedia

    en.wikipedia.org/wiki/Color_vision

    Color vision. Colorless, green, and red photographic filters as imaged by camera. Color vision, a feature of visual perception, is an ability to perceive differences between light composed of different frequencies independently of light intensity. Color perception is a part of the larger visual system and is mediated by a complex process ...

  7. List of colors (alphabetical) - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_(alphabetical)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 22 September 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...

  8. Color vision test - Wikipedia

    en.wikipedia.org/wiki/Color_vision_test

    An Ishihara test image as seen by subjects with normal color vision and by those with a variety of color deficiencies. A pseudoisochromatic plate (from Greek pseudo, meaning "false", iso, meaning "same" and chromo, meaning "color"), often abbreviated as PIP, is a style of standard exemplified by the Ishihara test, generally used for screening of color vision defects.

  9. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    A red dot sight is a common classification [1] for a non- magnifying reflector (or reflex) sight that provides an illuminated red dot to the user as a point of aim. A standard design uses a red light-emitting diode (LED) at the focus of collimating optics, which generates a dot-style illuminated reticle that stays in alignment with the firearm ...