0_Wizard
Do you like the color blue? It is one of the three primary colors.
Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model.
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Blue
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Color mixing
There are two types of color mixing: "Additive" and "Subtractive". In both cases, there are three primary colors, three secondary colors (colors made from 2 of the three primary colors in equal amounts), and one tertiary color made from all three primary colors. This point is a common source of confusion, as there are different sets of primary colors depending on whether you are working with additive or subtractive mixing. The additive mixing of colors is unintuitive as it does not correspond to the mixing of physical substances (such as paint) which would correspond to subtractive mixing. For instance, one can additively mix yellow and blue by shining yellow light together with blue light, which will result in not green but a white light.
Complementary colors
Complementary colors are pairs of colors which, when combined, cancel each other out. This means that when combined, they produce a gray-scale color like white or black. When placed next to each other, they create the strongest contrast for those particular two colors. Due to this striking color clash, the term opposite colors is often considered more appropriate than "complementary colors". Which pairs of colors are considered complementary depends on the color theory one uses:  On the traditional color wheel developed in the 18th century, used by Claude Monet and Vincent van Gogh and other painters, and still used by many artists today, the primary colors were considered to be red, yellow, and blue, and the primary–secondary complementary pairs are red–green (Christmas), blue-orange (Westwood), and yellow–purple (Mesa High).
Shades of blue
Varieties of the color blue may differ in hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness), or in two or three of these qualities. Variations in value are also called tints and shades, a tint being a blue or other hue mixed with white, a shade being mixed with black. A large selection of these various colors is shown below. In this section, the term tint is used in its technical sense as used in color theory, meaning a blueish color mixed with white or light gray. Baby blue is known as one of the pastel colors. With a hue code of 199, this color is a tone of azure.
Color theory
In the visual arts, color theory or colour theory is a body of practical guidance to color mixing and the visual effects of a specific color combination. There are also definitions (or categories) of colors based on the color wheel: primary color, secondary color and tertiary color. Although color theory principles first appeared in the writings of Leone Battista Alberti (c.1435) and the notebooks of Leonardo da Vinci (c.1490), a tradition of "colory theory" began in the 18th century, initially within a partisan controversy over Isaac Newton's theory of color ("Opticks", 1704) and the nature of primary colors.
Primary color
A set of primary colors is, most tangibly, a set of "real" physical pigmented media or colored lights that can be combined in varying amounts to produce a "gamut" of colors. This is the essential method used in applications that are intended to elicit the perception of diverse sets of color, e.g. electronic displays, color printing, and paintings. Perceptions associated with a given combination of primary colors are predicted by applying the appropriate mixing model (additive, subtractive, additive averaging etc.) that embodies the underlying physics of how light interacts with the media and ultimately the retina.
RGB color model
The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three additive primary colors, red, green, and blue. The main purpose of the RGB color model is for the sensing, representation and display of images in electronic systems, such as televisions and computers, though it has also been used in conventional photography. Before the electronic age, the RGB color model already had a solid theory behind it, based in human perception of colors. RGB is a "device-dependent" color model: different devices detect or reproduce a given RGB value differently, since the color elements (such as phosphors or dyes) and their response to the individual R, G, and B levels vary from manufacturer to manufacturer, or even in the same device over time.
Color wheel
A color wheel or colour circle is an abstract illustrative organization of color hues around a circle, which shows the relationships between primary colors, secondary colors, tertiary colors etc. Some sources use the terms "color wheel" and "color circle" interchangeably; however, one term or the other may be more prevalent in certain fields or certain versions as mentioned above. For instance, some reserve the term "color wheel" for mechanical rotating devices, such as color tops or filter wheels. Others classify various color wheels as "color disc", "color chart", and "color scale" varieties.
1_Apprentice
What I like about blue is that, just by looking at it, you feel relaxed and at east. I think there is a reason why sky is blue
0_Wizard
Yes, the sky is often described as baby blue, which is a pastel color.
Baby blue is known as one of the pastel colors.
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Shades of blue
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It's All Over Now, Baby Blue
"It's All Over Now, Baby Blue" is a song written and performed by Bob Dylan and featured on his "Bringing It All Back Home" album, released on March 22, 1965 by Columbia Records ("see" 1965 in music). The song was recorded on January 15, 1965 with Dylan's acoustic guitar and harmonica and William E. Lee's bass guitar the only instrumentation. The lyrics were heavily influenced by Symbolist poetry and bid farewell to the titular "Baby Blue." There has been much speculation about the real life identity of "Baby Blue", with possibilites including Joan Baez, David Blue, Paul Clayton, Dylan's folk music audience, and even Dylan himself.
Azure (color)
Azure ( ) is a variation of blue that is often described as the color of the sky on a clear day. On the , "azure" (color #007FFF) is defined as the color at 210 degrees, i.e., the hue halfway between blue and cyan. In the RGB color model, used to create all the colors on a television or computer screen, azure is created by adding a little green light to blue light. The complementary color of azure is orange. In the X11 color system which became a standard for early web colors, azure is depicted as a pale cyan. The color azure ultimately takes its name from the intense blue mineral lapis lazuli. '
Baby blue
Baby blue is a pale tint of azure, one of the pastel colors. The first recorded use of "baby blue" as a color name in English was in 1892. Bubbles is a pale tint of baby blue. The color name "bubbles" has been in use since 2001 when the Xona.com Color List was first promulgated. Beau blue is a light tone of baby blue. The source of this color is the color that is called "beau blue" in the "Plochere Color System", a color system formulated in 1948 that is widely used by interior designers. Baby blue eyes is a rich tone of baby blue. The source of this color is the color that is called "baby blue eyes" in the "Plochere Color System", a color system formulated in 1948 that is widely used by interior designers.
Shades of blue
Varieties of the color blue may differ in hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness), or in two or three of these qualities. Variations in value are also called tints and shades, a tint being a blue or other hue mixed with white, a shade being mixed with black. A large selection of these various colors is shown below. In this section, the term tint is used in its technical sense as used in color theory, meaning a blueish color mixed with white or light gray. Baby blue is known as one of the pastel colors. With a hue code of 199, this color is a tone of azure.
List of Care Bear characters
The Care Bears are a group of characters created by the U.S. greeting card company American Greetings in 1981. The title characters originally appeared in card artwork by Elena Kucharik, before branching out into various media and merchandise. The franchise launched in 1982 with ten title characters, and in 1984 added several more characters known as the Care Bear Cousins. Each of the Care Bears and Care Bear Cousins has a "tummy symbol" — a picture or pattern that indicates the role or specialty of the character bearing it. Beginning with "", "tummy symbols" are sometimes referred to as "belly badges."
Baby Blue (rapper)
Baby Blue is an English rapper and singer from London, England. She is known for her work with singer Estelle and collaborations with John Legend, Madness, Sway, Shystie, Ms. Dynamite and Lady Sovereign. Baby Blue has a sound that fuses hip hop with grime, R&B and soul. Baby Blue started rapping while at school and eventually recorded a track called 'I Woulda', which was inspired by her cousin's gang-related death in the US. The track received heavy rotation and was the start of Baby Blue's career as a recording artist. When she was 19 she sent her music to UK artist Estelle, who immediately invited Baby Blue to New York City to record the song 'Hey Girl' featuring John Legend, as well as 'Don't Talk', another track for Estelle's début album The 18th Day, which was certified gold in the UK and she was also featured rapping in the video for the hit top 20 track 1980.
Pink
Pink is a pale red color that is named after a flower of the same name. It was first used as a color name in the late 17th century. According to surveys in Europe and the United States, pink is the color most often associated with charm, politeness, sensitivity, tenderness, sweetness, childhood, femininity and the romantic. It is associated with chastity and innocence when combined with white, but associated with eroticism and seduction when combined with purple or black. The color pink is named after the flowers, pinks, flowering plants in the genus "Dianthus," and derives from the frilled edge of the flowers.
1_Apprentice
Even though I love blue, i would not prefer having my house colored in this color. I think it does not fit with interior design
0_Wizard
I agree! Interestingly, the sky and sea appear blue due to an optical effect called Rayleigh scattering.
The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering.
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Blue
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Blue
Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model. It lies between violet and green on the spectrum of visible light. The eye perceives blue when observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colors; azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering. An optical effect called Tyndall scattering explains blue eyes.
Eye color
Eye color is a polygenic phenotypic character determined by two distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of melanin in the iris pigment epithelium (located on the back of the iris), the melanin content within the iris stroma (located at the front of the iris), and the cellular density of the stroma. The appearance of blue and green, as well as hazel eyes, results from the Tyndall scattering of light in the stroma, a phenomenon similar to that which accounts for the blueness of the sky called Rayleigh scattering.
Skyglow
Skyglow (or sky glow) is the diffuse luminance of the night sky, apart from discrete light sources such as the Moon and visible individual stars. It is a commonly noticed aspect of light pollution. While usually referring to sky luminance arising from artificial lighting, skyglow may also involve any nighttime sources of diffuse light, including natural ones like the zodiacal light, starlight, and airglow. In the context of light pollution, skyglow arises from the use of artificial light sources, including electrical (or rarely gas) lighting used for illumination and advertisement, and from gas flares.
Rayleigh scattering
Rayleigh scattering (pronounced ), named after the British physicist Lord Rayleigh (John William Strutt), is the (dominantly) elastic scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation. Rayleigh scattering does not change the state of material and is, hence, a parametric process. The particles may be individual atoms or molecules. It can occur when light travels through transparent solids and liquids, but is most prominently seen in gases. Rayleigh scattering results from the electric polarizability of the particles. The oscillating electric field of a light wave acts on the charges within a particle, causing them to move at the same frequency.
Mie scattering
The Mie solution to Maxwell's equations (also known as the Lorenz–Mie solution, the Lorenz–Mie–Debye solution or Mie scattering) describes the scattering of an electromagnetic plane wave by a homogeneous sphere. The solution takes the form of an infinite series of spherical multipole partial waves. It is named after Gustav Mie. The term "Mie solution" is also used for solutions of Maxwell's equations for scattering by stratified spheres or by infinite cylinders, or other geometries where one can write separate equations for the radial and angular dependence of solutions. The term "Mie theory" is sometimes used for this collection of solutions and methods; it does not refer to an independent physical theory or law.
Scattering
Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more paths due to localized non-uniformities in the medium through which they pass. In conventional use, this also includes deviation of reflected radiation from the angle predicted by the law of reflection. Reflections that undergo scattering are often called "diffuse reflections" and unscattered reflections are called "specular" (mirror-like) reflections. Scattering may also refer to particle-particle collisions between molecules, atoms, electrons, photons and other particles.
Optics
Optics is the branch of physics which involves the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Because light is an electromagnetic wave, other forms of electromagnetic radiation such as X-rays, microwaves, and radio waves exhibit similar properties. Most optical phenomena can be accounted for using the classical electromagnetic description of light. Complete electromagnetic descriptions of light are, however, often difficult to apply in practice.
1_Apprentice
Surely. The scientific explanation is clear on this. Reflecting on philosophical sense, i think there should be another reason for sky to be blue
0_Wizard
I think you have a great point. Blue is an important color in art since ancient times. Humans have long admired this shade!
Blue has been an important colour in art and decoration since ancient times.
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Red
Red is the colour at the end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and the CMYK color model, and is the complementary color of cyan. Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson, and vary in shade from the pale red pink to the dark red burgundy. The red sky at sunset results from Rayleigh scattering, while the red color of the Grand Canyon and other geological features is caused by hematite or red ochre, both forms of iron oxide.
White
White is the lightest color and is achromatic (having no hue), because it fully reflects and scatters all the visible wavelengths of light. It is the color of fresh snow, chalk and milk, and is the opposite of black. In ancient Egypt and ancient Rome, priestesses wore white as a symbol of purity, and Romans wore a white toga as a symbol of citizenship. In the Middle Ages and Renaissance a white unicorn symbolized chastity, and a white lamb sacrifice and purity. It was the royal color of the Kings of France, and of the monarchist movement that opposed the Bolsheviks during the Russian Civil War (1917–1922).
History of painting
The history of painting reaches back in time to artifacts from pre-historic humans, and spans all cultures. It represents a continuous, though periodically disrupted, tradition from Antiquity. Across cultures, and spanning continents and millennia, the history of painting is an ongoing river of creativity, that continues into the 21st century. Until the early 20th century it relied primarily on representational, religious and classical motifs, after which time more purely abstract and conceptual approaches gained favor. Developments in Eastern painting historically parallel those in Western painting, in general, a few centuries earlier.
Art
Art is a diverse range of human activities in creating visual, auditory or performing artifacts (artworks), expressing the author's imaginative or technical skill, intended to be appreciated for their beauty or emotional power. In their most general form these activities include the production of works of art, the criticism of art, the study of the history of art, and the aesthetic dissemination of art. The oldest documented forms of art are visual arts, which include creation of images or objects in fields including today painting, sculpture, printmaking, photography, and other visual media. Architecture is often included as one of the visual arts; however, like the decorative arts, or advertising, it involves the creation of objects where the practical considerations of use are essential—in a way that they usually are not in a painting, for example.
Italian art
Since ancient times, Greeks, Etruscans and Celts have inhabited the south, centre and north of the Italian peninsula respectively. The very numerous Rock Drawings in Valcamonica go back to 8,000 BC, and there are rich remains of Etruscan art from thousands of tombs, as well as rich remains from the Greek colonies at Paestum, Agrigento and elsewhere. Ancient Rome finally emerged as the dominant Italian and European power. The Roman remains in Italy are of extraordinary richness, from the grand Imperial monuments of Rome itself to the survival of exceptionally preserved ordinary buildings in Pompeii and neighbouring sites.
Still life paintings by Vincent van Gogh (Paris)
Still life paintings by Vincent van Gogh (Paris) is the subject of many drawings, sketches and paintings by Vincent van Gogh in 1886 and 1887 after he moved to Montmartre in Paris from the Netherlands. While in Paris, Van Gogh transformed the subjects, color and techniques that he used in creating still life paintings. He saw the work and met the founders and key artists of Impressionism, Pointillism and other movements and began incorporating what he learned into his work. Japanese art, Ukiyo-e, and woodblock prints also influenced his approach to composition and painting. There was a gradual change from the somber mood of his work in the Netherlands to a far more varied and expressive approach as he began introducing brighter color into his work.
List of Warriors characters
The "Warriors" novel series is written by Erin Hunter. Due to the large number of characters present in the novel series, this list is divided by Clan, e.g., all characters in ThunderClan are listed together. Each cat has a prefix. Eg: Dawn, Violet etc. As a young kit they will have -kit at the end of their name. Eg: Dawnkit Violetkit. When they are an apprentice -paw will be at the end of their name. Eg: Dawnpaw Violetpaw. When that cat is a warrior or medicine cat they will have a suffix. Eg: -fur -pelt -cloud -flame -wing -song etc. Eg: Dawnsong Violetflame. That is if they are in one of the clans like ThunderClan, RiverClan, WindClan, ShadowClan, Skyclan.