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  2. Violet (color) - Wikipedia

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

    In the 18th century, purple was a color worn by royalty, aristocrats and other wealthy people. Good-quality purple fabric was too expensive for ordinary people. The first cobalt violet, the intensely red-violet cobalt arsenate, was highly toxic. Although it persisted in some paint lines into the 20th century, it was displaced by less toxic ...

  3. List of RAL colours - Wikipedia

    en.wikipedia.org/wiki/List_of_RAL_colours

    Ultramarine blue: RAL 5003: Sapphire blue: RAL 5004: Black blue: RAL 5005: Signal blue: RAL 5007: Brilliant blue: RAL 5008: Grey blue: RAL 5009: Azure blue: RAL 5010: Gentian blue: U8 line of the Berlin U-Bahn: RAL 5011: Steel blue: RAL 5012: Light blue: U7 line of the Berlin U-Bahn: RAL 5013: Cobalt blue: Deutsche Bundesbahn express ...

  4. Ultramarine - Wikipedia

    en.wikipedia.org/wiki/Ultramarine

    Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. [2] Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold. [3][4] The name ultramarine comes from the Latin ultramarinus.

  5. Munsell color system - Wikipedia

    en.wikipedia.org/wiki/Munsell_color_system

    The Munsell color system, showing: a circle of hues at value 5 chroma 6; the neutral values from 0 to 10; and the chromas of purple-blue (5PB) at value 5. In colorimetry, the Munsell color system is a color space that specifies colors based on three properties of color: hue (basic color), value (lightness), and chroma (color intensity).

  6. List of inorganic pigments - Wikipedia

    en.wikipedia.org/wiki/List_of_inorganic_pigments

    Han blue: BaCuSi 4 O 10. Azurite: cupric carbonate hydroxide (Cu 3 (CO 3) 2 (OH) 2). Basic copper carbonate: Cu 2 (OH) 2 CO 3. Iron pigments. Prussian blue (PB27): a synthetic inert pigment made of iron and cyanide: C 18 Fe 7 N 18. Manganese pigments. YInMn Blue: a synthetic pigment discovered in 2009 (YIn 1−x Mn x O 3). [4] Manganese blue ...

  7. RYB color model - Wikipedia

    en.wikipedia.org/wiki/RYB_color_model

    Chromatic Scale (Echelle Chromatique), J. F. L Mérimée (1830, 1839) RYB (an abbreviation of red–yellow–blue) is a subtractive color model used in art and applied design in which red, yellow, and blue pigments are considered primary colors. [1] Under traditional color theory, this set of primary colors was advocated by Moses Harris, Michel ...

  8. Shades of violet - Wikipedia

    en.wikipedia.org/wiki/Shades_of_violet

    Mauve (from the French form of Malva "mallow") is a color that is named after the mallow flower. Another name for the color is mallow[27] with the first recorded use of mallow as a color name in English in 1611. [28] Since the color mauve has a hue code of 276, it may be regarded as a pale tone of violet.

  9. Secondary color - Wikipedia

    en.wikipedia.org/wiki/Secondary_color

    A RYB color wheel with tertiary colors described under the modern definition. RYB is a subtractive mixing color model, used to estimate the mixing of pigments (e.g. paint) in traditional color theory, with primary colors red, yellow, and blue. The secondary colors are green, purple, and orange as demonstrated here: red.

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