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  2. Soil color - Wikipedia

    en.wikipedia.org/wiki/Soil_color

    Dark soil color imparted by organic matter in Illinois, US. Dark brown or black colors typically indicate that the soil has a high organic matter content. [4] Organic matter coats mineral soil particles, which masks or darkens the natural mineral colors. [1] Sodium content also influences the depth of organic matter and therefore the soil color.

  3. Color terminology for race - Wikipedia

    en.wikipedia.org/wiki/Color_terminology_for_race

    Categorization of racial groups by reference to skin color is common in classical antiquity. [7] For example, it is found in e.g. Physiognomica, a Greek treatise dated to c. 300 BC. The transmission of the "color terminology" for race from antiquity to early anthropology in 17th century Europe took place via rabbinical literature.

  4. Navy blue - Wikipedia

    en.wikipedia.org/wiki/Navy_blue

    Navy blue is a dark shade of the color blue.. French sailor in dark blue uniform. Navy blue got its name from the dark blue (contrasted with naval white) worn by officers in the Royal Navy since 1748 and subsequently adopted by other navies around the world.

  5. Color of chemicals - Wikipedia

    en.wikipedia.org/wiki/Color_of_chemicals

    The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy ... dark purple ...

  6. Mauve - Wikipedia

    en.wikipedia.org/wiki/Mauve

    Mallow wildflower. Mauve (/ ˈ m oʊ v / ⓘ, mohv; [2] / ˈ m ɔː v / ⓘ, mawv) is a pale purple color [3] [4] named after the mallow flower (French: mauve).The first use of the word mauve as a color was in 1796–98 according to the Oxford English Dictionary, but its use seems to have been rare before 1859.

  7. Political colour - Wikipedia

    en.wikipedia.org/wiki/Political_colour

    Purple is often associated with feminism and when combined with black, is often used to represent anarcha-feminism. In Albania, purple is the colour of the Socialist Party of Albania. In Australia, purple is used by the Australian Electoral Commission, the independent statutory authority responsible for the management of federal elections ...

  8. Color term - Wikipedia

    en.wikipedia.org/wiki/Color_term

    A color term (or color name) is a word or phrase that refers to a specific color. The color term may refer to human perception of that color (which is affected by visual context) which is usually defined according to the Munsell color system, or to an underlying physical property (such as a specific wavelength of visible light).

  9. Purple urine bag syndrome - Wikipedia

    en.wikipedia.org/wiki/Purple_urine_bag_syndrome

    Purple urine bag syndrome is an asymptomatic condition, however, symptoms of urinary tract infections may be similar to those of purple urine bag syndrome. Some signs and symptoms of urinary tract infection may include abdominal pain, pain during urination, fever or chills, nausea or vomiting, and an increased frequency of urination.