indigo
Sign in to saveIndigo is a term used for a number of hues in the region of blue. The word comes from the ancient dye of the same name. The term "indigo" can refer to the color of the dye, various colors of fabric dyed with indigo dye, a spectral color, one of the seven colors of the rainbow as described by Sir Isaac Newton, or a region on the color wheel, and can include various shades of blue, ultramarine, and green-blue. Since the web era, the term has also been used for various purple and violet hues identified as "indigo", based on use of the term "indigo" in HTML web page specifications.
AI overview
Indigo is a blue dye that has been used since ancient times and now refers to a range of blue hues, from deep blue to blue-green shades. The term matters because it describes colors found in nature, on the color wheel, and in rainbows, and has also come to include purple and violet shades in modern web design.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Color.title
- Imperial Blue
- Color.caption
- Clockwise, from top left: plant dye from India; Passerina cyanea; a 1923 Bundi State stamp; crocuses; handmade dyed wool
- Color.wavelength
- 420–450
- Color.frequency
- ≈714–670
- Color.hex
- 002395
- Color.source
- CIECAM16 248:2022
- Color.isccname
- Vivid blue
via Wikipedia infobox
Article
31 sectionsContents
- History
- Indigo as a dye
- Isaac Newton's classification of indigo as a spectral color
- 1800s
- Modern spectral classification
- Web era
- Origin of "Indigo" as a name for purple in web pages
- Crayola crayon colors
- Distinction among tones of indigo
- Indigo dye color
- Indigo (color wheel)
- Electric indigo
- Deep indigo (web color blue-violet)
- Web color indigo
- Tropical indigo
- Imperial blue
- In nature
- Birds
- Fungi
- Snakes
- In culture
- Business
- Computer graphics
- Dyes
- Food
- Literature
- Military
- Spirituality
- See also
- References
- External links
Indigo is a term used for a number of hues in the region of blue. The word comes from the ancient dye of the same name. The term "indigo" can refer to the color of the dye, various colors of fabric dyed with indigo dye, a spectral color, one of the seven colors of the rainbow as described by Sir Isaac Newton, or a region on the color wheel, and can include various shades of blue, ultramarine, and green-blue. Since the web era, the term has also been used for various purple and violet hues identified as "indigo", based on use of the term "indigo" in HTML web page specifications.
The word "indigo" comes from the Latin word , meaning "Indian", as the naturally based dye was originally exported to Europe from India.