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  2. Copper (color) - Wikipedia

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

    Download QR code; Wikidata item; Print/export Download as PDF; Printable version; ... The first recorded use of copper red as a color name in English was in 1590. [3]

  3. Byzantium (color) - Wikipedia

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

    The color Byzantium is a particular dark tone of purple.It originates in modern times, and, despite its name, it should not be confused with Tyrian purple (hue rendering), the color historically used by Roman and Byzantine emperors.

  4. Mars surface color - Wikipedia

    en.wikipedia.org/wiki/Mars_surface_color

    The surface color of the planet Mars appears reddish from a distance because of rusty atmospheric dust. [1] From close up, it looks more of a butterscotch , [ 1 ] and other common surface colors include golden, brown, tan, and greenish, depending on minerals.

  5. Burgundy (color) - Wikipedia

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

    Burgundy is a purplish red. [4] [5] European Union passports are usually burgundy in color. The color burgundy takes its name from the Burgundy wine in France. When referring to the color, "burgundy" is not usually capitalized. [6] The color burgundy is similar to Bordeaux (Web color code #4C1C24), Merlot (#73343A), Berry (#A01641), and ...

  6. Visible spectrum - Wikipedia

    en.wikipedia.org/wiki/Visible_spectrum

    The spectral colors from red to violet are divided by the notes of the musical scale, starting at D. The circle completes a full octave, from D to D. Newton's circle places red, at one end of the spectrum, next to violet, at the other. This reflects the fact that non-spectral purple colors are observed when red and violet light are mixed.

  7. Red pigments - Wikipedia

    en.wikipedia.org/wiki/Red_pigments

    Red lac, also called red lake, crimson lake or carmine lake, was an important red pigment in Renaissance and Baroque art. Since it was translucent, thin layers of red lac were built up or glazed over a more opaque, dark color to create a particularly deep and vivid color.

  8. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    IEC 60309 (formerly IEC 309 and CEE 17, also published by CENELEC as EN 60309) is a series of international standards from the International Electrotechnical Commission (IEC) for "plugs, socket-outlets and couplers for industrial purposes".

  9. Color terminology for race - Wikipedia

    en.wikipedia.org/wiki/Color_terminology_for_race

    Identifying human races in terms of skin colour, at least as one among several physiological characteristics, has been common since antiquity.Such divisions appeared in early modern scholarship, usually dividing humankind into four or five categories, with colour-based labels: red, yellow, black, white, and sometimes brown.