![]() ![]() As a result, many believe that indigo was never deserving to be its own color. Indigo, being a color directly between blue and violet, is so close to both colors that it’s often never recognized as indigo. These experiments are well documented in Newton’s book Opticks. From these seven colors came the visible color spectrum and modern rainbow. The prism broke the sunlight into its seven smaller wavelengths, allowing him to see the seven colors that combine to create white light. By refracting sunlight through a prism, he was able to support his belief. Newton believed that even though you only saw white light from the sun, since other colors were present in the world, other colors of light must be as well. The light humans see are the wavelengths from the visible light spectrum, and originate from the sun. Newton, through his experiments, had discovered that light exists in several types of wavelengths. The point of contention rests on whether indigo should be its own color or an official part of the color spectrum created by Issac Newton from 1666–72. This dye is commercially used to dye those jeans and on average one pair of blue jeans need 3–12 grams of indigo.” (Green Circle Organization) Cotton yarn is mainly used for the production for blue jeans of denim cloth. “The primary use is as a dye for cotton yarn. The bright pigments, organically coming from the leaves of the plant, create a dye that is a deep blue-violet and has been used in textiles for centuries. This is the plant most credited with being the origin of indigo pigment. The most popular species is Indigofera tinctoria: true indigo. Indigo comes from the genus Indigofera, a plant that has over 750 individual species. Indigo is one of the 7 colors of the classic rainbow as dictated by the visible color spectrum. a color between blue and violet in the spectrum ![]() ![]() the dark blue dye obtained from the indigo plant ![]()
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