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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 spectral colors from red to violet are divided by the notes of the musical scale, starting at D. The circle completes a full octave, from D to D. Newton's circle places red, at one end of the spectrum, next to violet, at the other. This reflects the fact that non-spectral purple colors are observed when red and violet light are mixed.
A customer at one red-light darkroom bar stated, "Red is easy on the eyes...It's fiery. It illuminates, but doesn't overwhelm." [ 11 ] Even if the specific color of lighting may not have biologically-wired effects, some specific colors in the present have gradually become associated with specific emotions, a phenomenon known as color symbolism .
The perception of "white" is formed by the entire spectrum of visible light, or by mixing colors of just a few wavelengths in animals with few types of color receptors. In humans, white light can be perceived by combining wavelengths such as red, green, and blue, or just a pair of complementary colors such as blue and yellow. [4]
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
For example, one of the most ubiquitous connotative color codes is the "red means bad and green means good" or similar systems, based on the classic signal light colors. However, this color coding will almost always be undifferentiable to deutans or protans, and can instead be supplemented with a parallel connotative system (symbols, smileys ...
Red Dye No. 3 is an artificial food coloring derived from petroleum, commonly added to foods, drinks, supplements and drugs to create an appealing cherry-red or pink hue.
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.