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  2. The Color Violet - Wikipedia

    en.wikipedia.org/wiki/The_Color_Violet

    "The Color Violet" is a song by Canadian rapper Tory Lanez. It is the fourth track on his sixth studio album Alone at Prom , which was released on December 10, 2021 by One Umbrella. Commercially, "The Color Violet" became a sleeper hit after going viral on TikTok .

  3. Biuret test - Wikipedia

    en.wikipedia.org/wiki/Biuret_test

    Biuret test. In chemistry, the Biuret test (IPA: / ˌbaɪjəˈrɛt /, / ˈbaɪjəˌrɛt / [1] ), also known as Piotrowski's test, is a chemical test used for detecting the presence of at least two peptide bonds in a molecule. In the presence of peptides, a copper (II) ion forms mauve -colored coordination complexes in an alkaline solution.

  4. Eggplant (color) - Wikipedia

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

    Eggplant is a dark purple [1] or brownish -purple [2] color that resembles the color of the outer skin of European eggplants. [3] Another name for the color eggplant is aubergine [2] (the French, German and British English word for eggplant). The first recorded use of eggplant as a color name in English was in 1915.

  5. Lilac (color) - Wikipedia

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

    Lilac (color) Lilac is a light shade of Purple representing the average color of most lilac flowers. The colors of some lilac flowers may be equivalent to the colors shown below as pale lilac, rich lilac, or deep lilac. However, there are other lilac flowers that are colored red-violet .

  6. Complementary colors - Wikipedia

    en.wikipedia.org/wiki/Complementary_colors

    In the traditional RYB color model, the complementary color pairs are red – green, yellow – purple, and blue – orange. Opponent process theory suggests that the most contrasting color pairs are red–green and blue–yellow. The black - white color pair is common to all the above theories.

  7. Azo violet - Wikipedia

    en.wikipedia.org/wiki/Azo_violet

    Azo violet (Magneson I; p-nitrobenzeneazoresorcinol) is an azo compound with the chemical formula C 12 H 9 N 3 O 4. It is used commercially as a violet dye and experimentally as a pH indicator , appearing yellow below pH 11, and violet above pH 13. [2]

  8. Indigo - Wikipedia

    en.wikipedia.org/wiki/Indigo

    Indigo is a term used for a number of hues in the region of blue.The word comes from the ancient dye of the same name.The term "indigo" can refer to the color of the dye, various colors of fabric dyed with indigo dye, a spectral color, one of the seven colors of the rainbow as described by Newton, or a region on the color wheel, and can include various shades of blue, ultramarine, and green-blue.

  9. Flame test - Wikipedia

    en.wikipedia.org/wiki/Flame_test

    A flame test is relatively quick test for the presence of some elements in a sample. The technique is archaic and of questionable reliability, but once was a component of qualitative inorganic analysis. The phenomenon is related to pyrotechnics and atomic emission spectroscopy. [1] The color of the flames is understood through the principles of ...