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For example, perceiving letters and numbers (collectively called graphemes) as colored would be indicated as grapheme-color synesthesia. Similarly, when synesthetes see colors and movement as a result of hearing musical tones, it would be indicated as tone → (color, movement) synesthesia.
As with other types of synesthesia, sound-color synesthesia can be divided into groups based on the way the colors are experienced. Those that 'see' or perceive the color in external space are called projectors, and those that perceive the color in the mind's eye are often called associators, but these terms can be misleading to understanding ...
These three dimensions can be defined in different ways, but often the most intuitive definition are the dimensions of the HSL/HSV color space: Hue: representing the different colors of the rainbow or color wheel (e.g. 'red', 'orange', 'yellow', etc.); roughly analogous to the color's wavelength or frequency.
It is common among some painters to darken a paint color by adding black paint—producing colors called shades—or lighten a color by adding white—producing colors called tints. However, it is not always the best way for representational painting, as an unfortunate result is for colors to also shift in hue.
Although different colors may be perceived in different ways, the names of those colors matters as well. [56] [57] These names are often called visual color descriptors. Many products and companies focus on producing a wide range of product colors to attract the largest population of consumers.
In colorimetry, metamerism is a perceived matching of colors with different (nonmatching) spectral power distributions. Colors that match this way are called metamers . A spectral power distribution describes the proportion of total light given off (emitted, transmitted, or reflected) by a color sample at each visible wavelength; it defines the ...
These variants of visual agnosia include prosopagnosia (inability to recognize faces), pure word blindness (inability to recognize words, often called "agnosic alexia" or "pure alexia"), agnosias for colors (inability to differentiate colors), agnosias for the environment (inability to recognize landmarks or difficulty with spatial layout of an ...
Colors vary in several different ways, including hue (shades of red, orange, yellow, green, blue, and violet, etc.), saturation, brightness. Some color words are derived from the name of an object of that color, such as " orange " or " salmon ", while others are abstract, like "red".