History of Indigo in Timeline
Indigo is a term describing a range of blue hues, originating from the ancient dye of the same name. It can refer to the color of the dye itself, fabrics dyed with it, a spectral color, or a region on the color wheel encompassing shades of blue, ultramarine, and green-blue. In the digital age, "indigo" has also been used to describe certain purple and violet hues, particularly in web design, based on its usage in HTML specifications. Thus, the meaning can vary across contexts.
1914: Indigo Dominates French Military Coats Until 1914
Until 1914, indigo remained the dominant color of French military coats due to its practicality after being adopted during the French Revolution.
1980: Spectrum Division by J.W.G. Hunt
In 1980, J.W.G. Hunt divided the spectrum between violet and blue at approximately 450 nm, without naming a specific hue as indigo.
1992: Publication of Marina Warner's Indigo
In 1992, Marina Warner's novel Indigo was published, retelling Shakespeare's The Tempest and featuring indigo dye production by Sycorax.
1999: Crayola Releases Indigo Crayon
In 1999, Crayola released an indigo crayon, approximating the color with the hex code #4F49C6 on the Crayola website.
2001: Crayola's iron indigo crayon
In 2001, the iron indigo crayon by Crayola is portrayed using hex code #184FA1.
2004: Crayola's indigo crayon color update
In 2004, Crayola's indigo crayon color is depicted by hex code #5D76CB.
2005: 'Tropical Indigo' in Guía de coloraciones
In 2005, 'Tropical Indigo' is defined as the color añil in the Guía de coloraciones (Guide to colorations) by Rosa Gallego and Juan Carlos Sanz.
2006: Spectrum Division by Bohren and Clothiaux
In 2006, Bohren and Clothiaux divided the spectrum between violet and blue at about 450 nm, with no hue specifically named indigo.
2019: Crayola's iridescent indigo launch
In 2019, Crayola launched iridescent indigo, which is portrayed by hex code #3C32CD.
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