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A tone is produced either by mixing a color with gray, or by both tinting and shading. [1] Mixing a color with any neutral color (black, gray, and white) reduces the chroma , or colorfulness , while the perceived hue can be affected slightly (see Abney effect and Bezold-Brücke shift ).
Chromesthesia or sound-to-color synesthesia is a type of synesthesia in which sound involuntarily evokes an experience of color, shape, and movement. [ 1 ] [ 2 ] Individuals with sound-color synesthesia are consciously aware of their synesthetic color associations/ perceptions in daily life. [ 3 ]
Color blindness may also present itself as a symptom of degenerative diseases of the eye, such as cataract and age-related macular degeneration, and as part of the retinal damage caused by diabetes. Vitamin A deficiency may also cause color blindness. [49] Color blindness may be a side effect of prescription drug use.
Color symbolism in art, literature, and anthropology is the use of color as a symbol in various cultures and in storytelling. There is great diversity in the use of colors and their associations between cultures [ 1 ] and even within the same culture in different time periods. [ 2 ]
The theme of blindness has been explored by many different cultures throughout history, with blind characters appearing in stories from ancient Greek mythology and Judeo-Christian religious texts. In the modern era, blindness has featured in numerous works of literature and poetry by authors such as William Shakespeare , William Blake , and H ...
Tone (color theory), a mix of tint and shade, in painting and color theory; Tone (color), the lightness or brightness (as well as darkness) of a color; Toning (coin), color change in coins; Photographic print toning, a process that changes the color of monochromatic film, e.g. sepia tone; Screentone, a technique for shading or patterning drawings
Authors create tone through the use of various other literary elements, such as diction or word choice; syntax, the grammatical arrangement of words in a text for effect; imagery, or vivid appeals to the senses; details, facts that are included or omitted; and figurative language, the comparison of seemingly unrelated things for sub-textual ...
For example, when an ordinary RGB digital image is compressed via the JPEG standard, the RGB color space is first converted (by a rotation matrix) to a YCbCr color space, because the three components in that space have less correlation redundancy and because the chrominance components can then be subsampled by a factor of 2 or 4 to further ...