Widely considered to be one of the most beautiful galaxies visible, M51 has many star-forming regions and nebulae in its arms, coloring them pink and blue in contrast to the older yellow core.

Blue eyes, partially blue eyes, or a blue eye and a brown eye are called " wall " coloring, and are considered a non-desirable trait in kennel club standards.

Later AF timers changed the color coding, coloring the Alert button blue, the Take Cover button yellow, and the " Fire " button red ( used to call out volunteer fire fighters ), thus confusing the color coding of the alerts.

The red, white, and blue coloring was derived from the Grand Duke's coat of arms, which dates from the 13th century.

Influence from Byzantine visual vocabulary ( blue and gold coloring, angelic and victorious motifs, symbology of drapery ) combined with Mongoloid facial types in 12th-century book frontispieces.

Circa early 2011, Altoids altered the ingredients of their Wintergreen mints, adding blue food coloring.

This dark coloring gives way from the shoulders and lower breast to silvery blue.

The two sets and may be thought of as a coloring of the graph with two colors: if one colors all nodes in blue, and all nodes in green, each edge has endpoints of differing colors, as is required in the graph coloring problem.

In contrast, such a coloring is impossible in the case of a non-bipartite graph, such as a triangle: after one node is colored blue and another green, the third vertex of the triangle is connected to vertices of both colors, preventing it from being assigned either color.

From top: baby oil, rubbing alcohol ( with red food coloring ), vegetable oil, wax, water ( with blue food coloring ), and aluminum.

In the macula lutea of the human eye, certain carotenoids are actively concentrated to the point that they cause a yellow coloring, and this may help to protect the retina from blue and actinic light, in the same way that carotenoids protect the photosystems of plants.

The immature bird resembles the female in coloring, although a male may have hints of blue on the tail and shoulders and have darker streaks on the underside.

Many commercial products were marketed in packages tying them to the Bicentennial, usually distinguished by red, white, and blue coloring.

False coloring as follows: bedrock = brown, sand = yellow / white, vegetation = green, salty sediments = blue.

In January 1999 the coloring was changed to match the blue and white of the new Power Macintosh G3s, and the connector changed to VGA.

The cover slip is placed on top of the water droplet and the specimen in it, with the blue coloring mixed in.

In between these rows, there is more blue or green coloring.

Many other lizards have similar bright blue coloring.

Tibetan carpets from the 19th century ( perhaps earlier, though mostly carpets from the 19th century survive ) are relatively restrained in terms of design and coloring, carpet makers at that time being restricted to a narrow range of natural dyes including madder ( red ), indigo ( blue ), Tibetan rhubarb ( yellow ) and Tibetan walnut ( browns and greys ), with a few other local plants producing yellow and greenish colors.

For example, the figure to the right shows an edge coloring of a graph by the colors red, blue, and green.

The tile's trim line consists of light brown coloring with a border composed of a mix of dark blue and brown coloring.

The road, a comparatively new one, is very good, winding along inlets, coves, and bays of deep and brilliant blue.

In a brighter nautical vein is Ille De France blue.

The video signal is amplified and then switched, in synchronism with the three ultraviolet light sources which are sequenced by the rotating mirror so that during one-twentieth of a second only one wavelength, corresponding to red, green, or blue, is seen.

Indeed, no richer humor is to be found in the whole of American literature than in the letters of the semi-literate men who wore the blue and the gray.

Wiry and burr-headed, with steel blue eyes and a chest splattered with medals, Chandler is the epitome of the old-time trooper.

Bob Moore is plumb crazy about blue fishing ''.

The attorney general has advised local police that it is their duty to enforce the blue laws.

`` The white colonnaded, cedar-roofed Southern mansion is directly traceable via the grey and buff stone of grey-skied England to the golden stucco of one particular part of the blue South, the Palladian orbit stretching out from Vicenza: the old mind of Andrea Palladio still smiles from behind many an old rocking chair on a Southern porch, the deep friezes of his architectonic music rise firm above the shallower freeze in the kitchen, his feeling for light and shade brings a glitter from a tall mint julep, his sense of columns framing the warm velvet night has brought together a million couple of mating lips ''.

Her hair was the color of those blooms which in seed catalogues are referred to as `` black '', but since no flower is actually without color contain always a hint of grape or purple or blue -- he wanted to draw the broad patina of hair through his fingers, searching it slowly for a trace of veining which might reveal its true shade beneath the darkness.

One of the main characters of the 1969-1971 animated cartoon The Ant and the Aardvark is a blue aardvark voiced by John Byner, doing an impersonation of Jackie Mason.

The flowers are quite large, blue or white, forming an umbel at the end of a stem ( scape ) which is longer than the leaves.

The inner shell of the abalone is an iridescent swirl of intense colours, ranging from deep cobalt blue and peacock green to purples, creams and pinks.

On the left are the blue and white rhombuses of Bavaria, while the right half is split into two sliver and black triangles.

The ideal grade is called " Deep Siberian " and has a primary purple hue of around 75 – 80 %, with 15 – 20 % blue and ( depending on the light source ) red secondary hues.

Dominican amber, especially Dominican blue amber, is mined through bell pitting, which is dangerous due to the risk of tunnel collapse.

Other uncommon colors include red amber ( sometimes known as " cherry amber "), green amber, and even blue amber, which is rare and highly sought after.

Although all Dominican amber is fluorescent, the rarest Dominican amber is blue amber.

Baltic amber or succinite ( historically documented as Prussian amber ) is found as irregular nodules in marine glauconitic sand, known as blue earth, occurring in the Lower Oligocene strata of Sambia in Prussia ( in historical sources also referred to as Glaesaria ).

The Dodo, who in this adaptation of the book is named Uilleam and is portrayed by Michael Gough, bears a down of brilliant blue and is one of Alice's advisers, who also took first note of her identity as the true Alice.

* δ Antliae is a blue double star 481 light years away.