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The most common synthetic food coloring today is Allura Red AC, a red azo dye that goes by several names including: Allura Red, Food Red 17, C.I. 16035, FD&C Red 40, [25] [26] It was originally manufactured from coal tar, but now is mostly made from petroleum.
This red is a tone of Indian red, made like Indian red with pigment made from iron oxide. The first recorded use of English red as a color name in English was in the 1700s (exact year uncertain). [10] In the Encyclopédie of Denis Diderot in 1765, alternate names for Indian red included "what one also calls, however improperly, English Red." [11]
Red (RGB), RGB red, or electric red [citation needed] (as opposed to pigment red, shown below) is the brightest possible red that can be reproduced on a computer monitor. This color is an approximation of an orangish red spectral color. It is one of the three primary colors of light in the RGB color model, along with green and blue.
[26] Writing for NPR, J. English described the album as Swift's coming of age and her early-20s exploration of womanhood and adulthood: the characters in the Red songs detail their first-hand experiences with sexuality and loss of innocence—topics that Swift had explored on her past albums from an outsider perspective; [22] Caramanica found ...
Falu red is still widely used in the countryside. The Finnish expression punainen tupa ja perunamaa, "a red cottage and a potato patch", referring to idyllic home and life, is a direct allusion to a country house painted in falu red. Falu red after being mixed and cooked to a paint
Chromostereopsis is a visual illusion whereby the impression of depth is conveyed in two-dimensional color images, usually of red–blue or red–green colors, but can also be perceived with red–grey or blue–grey images. [1] [2] Such illusions have been reported for over a century and have generally been attributed to some form of chromatic ...
Its chemical name is 1-(4-sulfo-1-napthylazo)-2-napthol-6,8-disulfonic acid, trisodium salt. Ponceau (17th century French for " poppy-coloured ") is the generic name for a family of azo dyes . Ponceau 4R is a strawberry red azo dye which can be used in a variety of food products, and is usually synthesized from aromatic hydrocarbons ; it is ...
Basic color terms meet the following criteria: [2] monolexemic ('green', but not 'light green' or 'forest green'), high-frequency, and; agreed upon by speakers of that language. English has 11 basic color terms: black, white, red, green, yellow, blue, brown, orange, pink, purple, and gray; other languages have between 2 and 12. All other colors ...