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  2. Quinacridone - Wikipedia

    en.wikipedia.org/wiki/Quinacridone

    Quinacridone is an organic compound used as a pigment. Numerous derivatives constitute the quinacridone pigment family, which finds extensive use in industrial colorant applications such as robust outdoor paints, inkjet printer ink , tattoo inks , artists' watercolor paints , and color laser printer toner .

  3. What colors can cats see? Here's how your pet perceives the ...

    www.aol.com/colors-cats-see-heres-pet-110109011.html

    Cats are limited in their perception of color. Human eyes have 10 times more cone cells than feline eyes, meaning we can see a larger range of colors than cats, according to Purina.

  4. List of colors (alphabetical) - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_(alphabetical)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...

  5. What colors can cats see? A vet reveals the answer (and it ...

    www.aol.com/colors-cats-see-vet-reveals...

    The good news is, cats can absolutely see color, which will come as a relief if you've spent money investing in a range of the best interactive cat toys in bright and bold hues! However, while ...

  6. Color chart - Wikipedia

    en.wikipedia.org/wiki/Color_chart

    Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...

  7. List of reagent testing color charts - Wikipedia

    en.wikipedia.org/wiki/List_of_reagent_testing...

    It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2]

  8. Rose madder - Wikipedia

    en.wikipedia.org/wiki/Rose_madder

    Natural Red 9 abbreviated NR9, Color Index name [2] Purpurin's chemical composition: 1,2,4 trihydroxyanthraquinone (C 14 H 8 O 5 ) [ 3 ] Rose madder genuine, sometimes used to specify a paint derived from the root of the madder plant in the traditional manner [ 14 ] It is still manufactured and used by some, but is too fugitive for professional ...

  9. List of colors by shade - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_by_shade

    Magenta is variously defined as a purplish-red, reddish-purple, or a mauvish–crimson color. On color wheels of the RGB and CMY color models, it is located midway between red and blue, opposite green. Complements of magenta are evoked by light having a spectrum dominated by energy with a wavelength of roughly 500–530 nm.