Ivory is an off-white color that resembles ivory

Ivory

Ivory is a term for dentine, which constitutes the bulk of the teeth and tusks of animals, when used as a material for art or manufacturing. Ivory has been important since ancient times for making a range of items, from ivory carvings to false teeth, fans, dominoes, joint tubes, piano keys and...

, the material out of which the teeth and tusks of animal

Animal

Animals are a major group of multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and...

s (such as, notably, the elephant

Elephant

Elephants are large land mammals in two extant genera of the family Elephantidae: Elephas and Loxodonta, with the third genus Mammuthus extinct...

 and the walrus

Walrus

The walrus is a large flippered marine mammal with a discontinuous circumpolar distribution in the Arctic Ocean and sub-Arctic seas of the Northern Hemisphere. The walrus is the only living species in the Odobenidae family and Odobenus genus. It is subdivided into three subspecies: the Atlantic...

) is made. It has a very slight tint of yellow

Yellow

Yellow is the color evoked by light that stimulates both the L and M cone cells of the retina about equally, with no significant stimulation of the S cone cells. Light with a wavelength of 570–590 nm is yellow, as is light with a suitable mixture of red and green...

.

The first recorded use of ivory as a color name in English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

 was in 1385.

The color "ivory" was included as one of the X11 colors

X11 color names

In computing, on the X Window System, X11 color names are represented in a simple text file, which maps certain strings to RGB color values. It is shipped with every X11 installation, hence the name, and is usually located in <X11root>/lib/X11/rgb.txt.It is not known who originally compiled...

 when they were formulated in 1987.

Ivory in nature

Plants

• The Ivory-colored cymbidium is a species of orchid.

Birds

• Ivory is used adjectivally in the names of several birds to describe their appearance, including the Ivory Gull
  Ivory Gull
  The Ivory Gull Pagophila eburnea is a small gull, the only species in its genus. It breeds in the high arctic and has a circumpolar distribution through Greenland, northernmost North America, and Eurasia.-Taxonomy:...
  
  , Ivory-backed Woodswallow
  Ivory-backed Woodswallow
  The Ivory-backed Woodswallow is a species of bird in the Artamidae family. It is endemic to Indonesia.Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes....
  
  , Ivory-billed Aracari
  Ivory-billed Aracari
  The Ivory-billed Aracari is a species of bird in the Ramphastidae family.It is found in Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela.Its natural habitat is subtropical or tropical moist lowland forests.-References:...
  
  , Ivory-billed Woodcreeper
  Ivory-billed Woodcreeper
  The Ivory-billed Woodcreeper is a species of bird in the Dendrocolaptinae subfamily.It is found in Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua....
  
  , Ivory-billed Woodpecker
  Ivory-billed Woodpecker
  The Ivory-billed Woodpecker is or was one of the largest woodpeckers in the world, at roughly 20 inches in length and 30 inches in wingspan. It was native to the virgin forests of the southeastern United States...
  
   and Ivory-breasted Pitta
  Ivory-breasted Pitta
  The Ivory-breasted Pitta, Pitta maxima, is a species of bird in the Pittidae family. It is endemic to Indonesia.Its natural habitat is subtropical or tropical moist lowland forests.-References:...
  
  .