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A dye is a colored substance that chemically bonds to the material to which it is being applied. This distinguishes dyes from pigments which do not chemically bind to the material they color. Dye is generally applied in an aqueous solution and may require a mordant to improve the fastness of the dye on the fiber. [2]
Dyeing Pigments for sale at a market in Goa, India Cotton being dyed manually in contemporary India Silk dye in pan on stove. Khotan. Dyeing is the application of dyes or pigments on textile materials such as fibers, yarns, and fabrics with the goal of achieving color with desired color fastness.
A color in a color space is defined as a combination of its primaries, where each primary must give a non-negative contribution. Any color space based on a finite number of real primaries is incomplete in that it cannot reproduce every color within the gamut of the standard observer.
Basic green 4 42000 triarylmethane 569-64-2: Martius yellow: Naphthol yellow Acid yellow 24 10315 nitro 605-69-6: Mauveine: Mauve Mauveine basic dye 50245 safranin 6373-22-4: Meldola blue: Phenylene blue Basic blue 6 51175 oxazine 966-62-1: Metacresol purple: m-cresolsulfonphthalein triarylmethane 2303-01-7: Metanil yellow: Tropaeolin G Acid ...
Adjective dyes are those dyes that require use of a mordant to bind the color to the fiber. [2] alkanet Alkanet or dyer's bugloss (Alkanna tinctoria) is a traditional plant source of red dye. [3] alum Alum (aluminum sulfate) is a naturally occurring basic mordant widely used in the ancient world. [4] añil
The seventh basic color term is likely to be brown. In English, this is the first basic color term (other than black and white) that is not differentiated on hue, but rather on lightness. English splits some hues into several distinct colors according to lightness: such as red and pink or orange and brown.
Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources—roots, berries, bark, leaves, and wood—and other biological sources such as fungi. [1] Archaeologists have found evidence of textile dyeing dating back to the Neolithic period.
Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied as liquids, powders, gels, or pastes. Food coloring is commonly used in commercial products and in domestic cooking.