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  2. Aureolin - Wikipedia

    en.wikipedia.org/wiki/Aureolin

    Aureolin. Aureolin (sometimes called cobalt yellow) is a pigment sparingly used in oil and watercolor painting. Its color index name is PY40 (40th entry on list of yellow pigments). It was first made in 1831 by Nikolaus Wolfgang Fischer in Breslau characterizing it as "Doppelsalze" or double-salts [1] and its chemical composition is potassium ...

  3. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of melanin in ...

  4. Arylide yellow - Wikipedia

    en.wikipedia.org/wiki/Arylide_Yellow

    Arylide yellow. Arylide yellow, also known as Hansa yellow and monoazo yellow, is a family of organic compounds used as pigments. They are primarily used as industrial colorants including plastics, building paints and inks. They are also used in artistic oil paints, acrylics and watercolors. These pigments are usually semi-transparent and range ...

  5. Lemon (color) - Wikipedia

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

    Lemon (color) Lemon or lemon-color is a vivid yellow color characteristic of the lemon fruit. [1] Shades of "lemon" may vary significantly from the fruit's actual color, including fluorescent tones and creamy hues reflective of lemon pies and confections . The first recorded use of lemon as a color name in English dates to 1598. [2]

  6. Vanilla (color) - Wikipedia

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

    ISCC–NBS descriptor. Pale greenish yellow. B: Normalized to [0–255] (byte) The color vanilla is a rich tint of off-white as well as a medium pale tint of yellow . The first recorded use of vanilla as a color name in English was in 1925. [1]

  7. Isabelline (colour) - Wikipedia

    en.wikipedia.org/wiki/Isabelline_(colour)

    Isabelline ( / ɪzəˈbɛlɪn /; also known as isabella) is a pale grey-yellow, pale fawn, pale cream-brown or parchment colour. It is primarily found in animal coat colouring, particularly plumage colour in birds and, in Europe, in horses. It also has historically been applied to fashion. The first known record of the word was in 1600 as ...

  8. Yellow River - Wikipedia

    en.wikipedia.org/wiki/Yellow_River

    The Yellow River ( simplified Chinese: 黄河; traditional Chinese: 黃河; pinyin: Huáng Hé, Beijing Mandarin: [xu̯ɑŋ˧˥ xɤ˧˥] ⓘ) is the second-longest river in China, [2] after the Yangtze River, and the sixth-longest river system on Earth at the estimated length of 5,464 km (3,395 mi). [3]

  9. Ochre - Wikipedia

    en.wikipedia.org/wiki/Ochre

    Ochre is a family of earth pigments, which includes yellow ochre, red ochre, purple ochre, sienna, and umber. The major ingredient of all the ochres is iron (III) oxide-hydroxide, known as limonite, which gives them a yellow colour. A range of other minerals may also be included in the mixture: [5] : 134.