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  2. Color index - Wikipedia

    en.wikipedia.org/wiki/Color_index

    In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. The lower the color index, the more blue (or hotter) the object is. Conversely, the larger the color index, the more red (or cooler) the object is.

  3. Colour Index International - Wikipedia

    en.wikipedia.org/wiki/Colour_Index_International

    Colour Index International (CII) is a reference database jointly maintained by the Society of Dyers and Colourists and the American Association of Textile Chemists and Colorists. [1] It currently contains over 27,000 individual products listed under 13,000 Colour Index Generic Names. [ 2 ]

  4. Four color cards - Wikipedia

    en.wikipedia.org/wiki/Four_color_cards

    Four color cards (Chinese: 四色牌; pinyin: Sì Sè Pái) is a game of the rummy family of card games, with a relatively long history in southern China. In Vietnam the equivalent game is known as tứ sắc ( Sino-Vietnamese pronunciation of 四色).

  5. Uchu Sentai Kyuranger - Wikipedia

    en.wikipedia.org/wiki/Uchu_Sentai_Kyuranger

    Kyuranger is considered the fifth space-themed series [a] whose primary motifs are constellations and Greco-Roman mythology, and it is also the first Super Sentai series to introduce nine regular members in the beginning instead of five or fewer like previous installments. The team later gains three additional members, increasing the number to ...

  6. List of Uchu Sentai Kyuranger characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Uchu_Sentai...

    Uchu Sentai Kyuranger (宇宙戦隊キュウレンジャー, Uchū Sentai Kyūrenjā) is a Japanese tokusatsu series that serves as the 41st installment in the Super Sentai franchise and the 29th entry in the Heisei era.

  7. Color term - Wikipedia

    en.wikipedia.org/wiki/Basic_color_terms

    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 ).

  8. Color rendering index - Wikipedia

    en.wikipedia.org/wiki/Color_rendering_index

    Researchers use daylight as the benchmark to which to compare color rendering of electric lights. In 1948, daylight was described as the ideal source of illumination for good color rendering because "it (daylight) displays (1) a great variety of colors, (2) makes it easy to distinguish slight shades of color, and (3) the colors of objects around us obviously look natural".

  9. Color index (geology) - Wikipedia

    en.wikipedia.org/wiki/Color_index_(geology)

    Color index, as a geological term, is a measure of the ratio between generally dark mafic minerals and generally light felsic minerals in an igneous rock. [ 1 ] [ 2 ] The color index of an igneous rock is the volume percentage of mafic minerals in the rock, excluding minerals generally regarded as "colorless" such as apatite , muscovite ...