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  2. Electromeric effect - Wikipedia

    en.wikipedia.org/wiki/Electromeric_effect

    The term electromeric effect is no longer used in standard texts and is considered as obsolete. [1] The concepts implied by the terms electromeric effect and mesomeric effect are absorbed in the term resonance effect. [2] This effect can be represented using curved arrows, which symbolize the electron shift, as in the diagram below:

  3. Metamerism (color) - Wikipedia

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

    Color matches made in the paint industry are often aimed at achieving a spectral color match rather than just a tristimulus (metameric) color match under a given spectrum of light. A spectral color match attempts to give two colors the same spectral reflectance characteristic, making them a good metameric match with a low degree of metamerism ...

  4. Tint, shade and tone - Wikipedia

    en.wikipedia.org/wiki/Tint,_shade_and_tone

    Some tints and shades of blue. In color theory, a tint is a mixture of a color with white, which increases lightness, while a shade is a mixture with black, which increases darkness. Both processes affect the resulting color mixture's relative saturation. A tone is produced either by mixing a color with gray, or by both tinting and shading. [1]

  5. Color science - Wikipedia

    en.wikipedia.org/wiki/Color_science

    Color science is the scientific study of color including lighting and optics; measurement of light and color; the physiology, psychophysics, and modeling of color vision; and color reproduction. It is the modern extension of traditional color theory .

  6. What's The Difference Between Semi-Permanent And Permanent ...

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  7. Theory of Colours - Wikipedia

    en.wikipedia.org/wiki/Theory_of_Colours

    Light spectrum, from Theory of Colours – Goethe observed that colour arises at the edges, and the spectrum occurs where these coloured edges overlap.. Theory of Colours (German: Zur Farbenlehre) is a book by Johann Wolfgang von Goethe about the poet's views on the nature of colours and how they are perceived by humans.

  8. Inductive effect - Wikipedia

    en.wikipedia.org/wiki/Inductive_effect

    Inductive Effect Electromeric Effect The polarization of a single σ covalent bond due to the electronegativity difference. Transfer of shared π-bond electron pairs to one atom under the influence of a strong external field. Permanent effect. Temporary effect. Always observed. Only observed in the presence of an electrophilic reagent.

  9. Impossible color - Wikipedia

    en.wikipedia.org/wiki/Impossible_color

    Exploration of the color space outside the range of "real colors" by this means is major corroborating evidence for the opponent-process theory of color vision. Chimerical colors can be seen while seeing with one eye or with both eyes, and are not observed to reproduce simultaneously qualities of opposing colors (e.g. "yellowish blue"). [7]

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