The leopard danio, previously known as Danio frankei, is a spotted colour morph of the zebrafish which arose due to a pigment mutation.

* Plastids, the most notable being the chloroplasts, which contain chlorophyll a green coloured pigment which is used for absorbing sunlight and is used by a plant to make its own food in the process is known as photosynthesis.

Tempera, also known as egg tempera, is a permanent fast-drying painting medium consisting of colored pigment mixed with a water-soluble binder medium ( usually a glutinous material such as egg yolk or some other size ).

The Egyptians perfected a technique using hot beeswax combined with colored pigment to bind color into stone in a process known as encaustic painting.

The only way to achieve a deep rich blue was by using a semi-precious stone, lapis lazuli, to produce a pigment known as ultramarine, and the best sources of lapis were remote.

" Gesso ", also known " glue gesso " or " Italian gesso " is a traditional mix of an animal glue binder ( usually rabbit-skin glue ), chalk, and white pigment, used to coat rigid surfaces such as wooden painting panels as an absorbent primer coat substrate for painting.

Goethite has been well known since prehistoric times for its use as a pigment.

The Ottomans are also known for their development of a bright red pigment, “ Iznik red ,” in ceramics, which reached their height in the 16th century, both in tile-work and pottery, using floral motifs that were considerably transformed from their Chinese and Persian models.

Quercus velutina was previously known as yellow oak due to the yellow pigment in its inner bark, however nowadays this name is usually reserved for Chinkapin oak.

This process, known as physiological colour change, is most widely studied in melanophores, since melanin is the darkest and most visible pigment.

Neurochemicals that are known to translocate pigment include noradrenaline, through its receptor on the surface on melanophores.

The hemolymph usually lacks any respiratory pigment, although members of the families Arcidae and Limidae are known to possess haemoglobin dissolved directly into the serum.

This eye is known as a pigment spot ocellus.

* Charcoal These snakes ( sometimes known as anerythristic type ‘ B ’) can lack the yellow color pigment usually found in all corn snakes.

Rhodopsin, also known as visual purple, is a biological pigment in photoreceptor cells of the retina that is responsible for the first events in the perception of light.

Iris pigment cells deposited on the corneal endothelium can sometimes be washed into a distinct vertical pattern by the aqueous currents-this is known as Krukenberg's Spindle.

Most species in Garcinia are known for their gum resin, brownish-yellow from xanthonoids such as mangostin, and used as purgative or cathartic, but most frequently – at least in former times – as a pigment.

The meaning of " Cohl " is obscure: it may be from the pigment known as " kohl ", or perhaps it means that Émile stuck to his mentor Gill like glue (" colle " in French ).

It is a pun on the cosmetic and cleanser known as blanc d ' Espagne, originally a white lead pigment and later either basic bismuth nitrate or a preparation made from chalk and clay.

The pigment can also be used to create a reddish tint known as " red ochre ".

As a naturally occurring mineral pigment, it is known as cinnabar, and has been in use around the world for many thousands of years.

In the demanding watercolor applications the hue of natural pigment vermilion is today supplied by a versatile, stable pigment which replaces the mercury of vermilion with cadmium: this contemporary pigment is known as cadmium red.

For the water colors use a beer solution tinted with a pigment, Indian inks, or Vandyke crystals dissolved in water.

This red is a tone of Indian red, made like Indian red with pigment made from iron oxide.

The color kobe is a dark tone of Indian red, made like Indian red from iron oxide pigment.

* Xanthochromism and axanthism, unusually yellow pigmentation and lack of yellow pigment, respectively

The possibility to use cadmium yellow as pigment was recognized in the 1840s but the lack of cadmium limited this application.

Heme is degraded to a yellow pigment called bilirubin.

* Xanthophyll-a yellow pigment

Low saturation will also be caused by adding a certain quantity of the third primary color ( green for light or yellow for pigment ).

In color printing, the color called process magenta, or pigment magenta, or printer's magenta is one of the three primary pigment colors which, along with yellow and cyan, constitute the three subtractive primary colors of pigment.

In order to reproduce it, a small amount of cyan printer's ink must be added to printer's magenta to make fuchsia, and therefore fuchsia is not a primary color of pigment — it is the color of printer's magenta that is one of the primary colors of pigment ( along with cyan and yellow ).

* Hansa Yellow, a yellow pigment used in paints

As an example of recessive epistasis, one gene locus may determine whether a flower pigment is yellow ( AA or Aa ) or green ( aa ), while another locus determines whether the pigment is produced ( BB or Bb ) or not ( bb ).

In dominant epistasis, one gene locus may determine yellow or green pigment as in the previous example: AA and Aa are yellow, and aa are green.

The NCS is based on the six elementary color percepts of human vision — the psychological primaries — as described by color opponency — white, black, red, yellow, green, and blue — which are difficult to define perceptually in terms of others ( for example, one cannot describe color red as looking " like a yellow and magenta mixture ", even though you will in fact get a red pigment by mixing yellow and magenta pigments ).

Sometimes lipofuscin, a yellow " wear and tear " pigment, also enters into the visible eye color, especially in aged or diseased green eyes ( but not in healthy green human eyes ).

The process converted the lead to lead oxide, and it was then finely ground to form a pigment for white, yellow and red lead paint.

* Lutino ( yellow pigment )

As a matter of convenience, painters typically also add one or more paints made with an iron oxide pigment ( the so called " earth " pigments ) and sold under the marketing names yellow ochre, raw sienna, raw umber, burnt sienna, burnt umber and / or venetian red.

These include: aureolin ( PY40 ), alizarin crimson ( PR83 ), genuine rose madder ( NR9 ), genuine carmine ( NR4 ), genuine vermilion ( PR106 ), most naphthol reds and oranges, all dyes ( including most " liquid watercolors " and marker pens ), and paints premixed with a white pigment, including paints marketed under the names naples yellow, emerald green or antwerp blue.