History of Indigo in Timeline

Indigo refers to a range of blue hues, originating from the ancient dye of the same name. The term encompasses the color of the dye itself, fabrics dyed with it, a spectral color, and one of Newton's seven rainbow colors. It can include shades of blue, ultramarine, and green-blue. In the web era, "indigo" has also been applied to certain purple and violet hues within HTML specifications.

1914: Indigo remains dominant color of French military coats

In 1914, indigo remained the dominant color of French military coats due to the greater practicability of the blue color, after initial adoption at the time of the French Revolution.

1980: Division of the spectrum

In 1980, color scientist J.W.G. Hunt divided the spectrum between violet and blue at approximately 450 nm, omitting a specific hue designation for indigo.

1992: Publication of 'Indigo' novel

In 1992, Marina Warner's novel 'Indigo' was published. The novel is a retelling of Shakespeare's 'The Tempest' and features the production of indigo dye by Sycorax.

Indigo

Check it on Amazon

1999: Crayola releases indigo crayon

In 1999, Crayola released an indigo crayon, with the Crayola website using the hex code #4F49C6 to approximate the crayon color.

2001: Crayola iron indigo crayon

In 2001, the Crayola iron indigo crayon is portrayed using hex code #184FA1.

2004: Crayola indigo crayon color

In 2004, the Crayola indigo crayon color is depicted by hex code #5D76CB.

2005: Publication of 'Tropical Indigo' Color

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, a widely popular color dictionary in the Hispanophone realm.

2006: Division of the spectrum

In 2006, color scientists Bohren and Clothiaux divided the spectrum between violet and blue at approximately 450 nm, omitting a specific hue designation for indigo.