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  2. Chiaroscuro - Wikipedia

    en.wikipedia.org/wiki/Chiaroscuro

    The use of dark subjects dramatically lit by a shaft of light from a single constricted and often unseen source, was a compositional device developed by Ugo da Carpi (c. 1455 – c. 1523), Giovanni Baglione (1566–1643), and Caravaggio (1571–1610), the last of whom was crucial in developing the style of tenebrism, where dramatic chiaroscuro ...

  3. Entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Entoptic_phenomenon

    A phenomenon that could be entoptical if the eyelashes are considered to be part of the eye is seeing light diffracted through the eyelashes. The phenomenon appears as one or more light disks crossed by dark blurry lines (the shadows of the lashes), each having fringes of spectral colour.

  4. Eigengrau - Wikipedia

    en.wikipedia.org/wiki/Eigengrau

    An example of noise observed in the dark An example of noise observed in the dark #2. Eigengrau (German for "intrinsic gray"; pronounced [ˈʔaɪ̯gŋ̍ˌgʁaʊ̯] ⓘ), also called Eigenlicht (Dutch and German for "intrinsic light"), dark light, or brain gray, is the uniform dark gray background color that many people report seeing in the ...

  5. Checker shadow illusion - Wikipedia

    en.wikipedia.org/wiki/Checker_shadow_illusion

    The image depicts a checkerboard with light and dark squares, partly shadowed by another object. The optical illusion is that the area labeled A appears to be a darker color than the area labeled B. However, within the context of the two-dimensional image, they are of identical brightness, i.e., they would be printed with identical mixtures of ...

  6. Theory of Colours - Wikipedia

    en.wikipedia.org/wiki/Theory_of_Colours

    Since the colour phenomenon relies on the adjacency of light and dark, there are two ways to produce a spectrum: with a light beam in a dark room, and with a dark beam (i.e., a shadow) in a light room. Goethe recorded the sequence of colours projected at various distances from a prism for both cases (see Plate IV, Theory of Colours). In both ...

  7. How to enable dark mode on all of your essential apps - AOL

    www.aol.com/enable-dark-mode-essential-apps...

    Twitter has a similar setting to Instagram, in that you can sync its color palette with the system settings — meaning, if your phone is already in dark mode, it’ll go dark automatically.

  8. Low-key photography - Wikipedia

    en.wikipedia.org/wiki/Low-key_photography

    Example of a low-key photograph. Low-key photography is a genre of photography consisting of shooting dark-colored scenes by lowering or dimming the "key" or front light illuminating the scene (low-key lighting), and emphasizing natural [1] or artificial light [2] only on specific areas in the frame. [3]

  9. The Hidden Meaning Behind 10 Stunning Orchid Colors

    www.aol.com/lifestyle/hidden-meaning-behind-10...

    Learn about 10 orchid flower colors, including blue, red, brown, and black, the types of orchids that produce them, and what they mean.