0_Wizard
Blue is one of the three primary colours of pigments in painting and traditional colour 
Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model.
chosen_Blue_0
Blue
chosen_topic_0_Blue
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.
Orange (colour)
Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In painting and traditional colour theory, it is a secondary colour of pigments, created by mixing red and yellow. It is named after the fruit of the same name. The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical energy for the plants' growth.
Military colours, standards and guidons
In military organizations, the practice of carrying colours, standards or guidons, both to act as a rallying point for troops and to mark the location of the commander, is thought to have originated in Ancient Egypt some 5,000 years ago. The Roman Empire also made battle standards a part of their vast armies. It was formalized in the armies of Europe in the High Middle Ages, with standards being emblazoned with the commander's coat of arms. As armies became trained and adopted set formations, each regiment's ability to keep its formation was potentially critical to its, and therefore its army's, success.
Primary Colours (Eddy Current Suppression Ring album)
Primary Colours is the second album by Australian garage punk band Eddy Current Suppression Ring. The album was recorded in a suburb of Melbourne over a 24-hour period in August 2007. The album was first released on Aarght! Records in Australia only on 5 May 2008, then on 9 September 2008 on Goner Records in the United States, and finally in the United Kingdom on Melodic Records on 17 August 2009. "Which Way to Go" was the only single released from "Primary Colours". "Primary Colours" peaked at No. 13 on the ARIA Hitseekers Chart in June 2008. It received generally positive reviews from critics, who praised the album's minimalistic sound and warm, personable lyrics.
Evolution of human colour vision
Evolution of human colour vision over time: humans ("homo sapiens") have developed a trichromatic view of the world in comparison to a majority of other mammals that only see the world from a dichromatic view. Early human ancestors are believed to have viewed the world using UV vision as far back as 90 million years ago. It is thought that the shift to trichromatic vision capabilities and the ability to see blue light have evolved as an adaptive trait over time. It is believed that due to a number of environmental factors, ancestral humans lived with limited colour vision. This is believed to have also been influenced by life styles, including being predominantly nocturnal.
Holi
Holi (; "Holī") is a Hindu spring festival celebrated in the Indian subcontinent, also known as the "festival of colours" or the "festival of love". The festival signifies the victory of good over evil, the arrival of spring, end of winter, and for many a festive day to meet others, play and laugh, forget and forgive, and repair broken relationships. It is also celebrated as a thanksgiving for a good harvest. It lasts for a night and a day, starting on the evening of the Purnima (Full Moon day) falling in the Vikram Samvat Hindu Calendar month of Phalguna, which falls somewhere between the end of February and the middle of March in the Gregorian calendar.
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.
1_Apprentice
Cool, blue is actually my favorite color.