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Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.
Other color stages are sometimes mentioned, most notably the cauda pavonis (peacock's tail) in which an array of colors appear. The magnum opus had a variety of alchemical symbols attached to it. Birds like the raven, swan, and phoenix could be used to represent the progression through the colors.
The color blue is notoriously difficult to produce in fireworks, as the copper compounds need to be heated at a specific temperature for the optimal shade of blue to be produced. Thus, a deep, rich blue is usually viewed as the mark of an experienced fireworks maker.
The New York City skyline is seen in the distance as fireworks explode over the Hudson River during the Macy's fireworks display July 4, 2009 in Weehawken, New Jersey.
Sodium imparts a gold or yellow color to fireworks, however, the color is often so bright that it frequently masks other, less intense colors. Sodium lamps operate with the same optical emission. O: Oxygen: Oxygen is a component of chlorate and perchlorate, common oxidizers. S: Sulfur
The color of the salute's exterior varies, depending on the manufacturer and the time period during which the salute was produced. Early on, in the late-1920s and 1930s, globe salutes had fuses which were tan, red or striped and multi-colored, and their body color varied, ranging from brown and tan to silver and red, and some were even ...
Citizens in the U.K., Canada, France, Belgium, Australia, and New Zealand wear the red flowers on November 11 each year to commemorate the anniversary of the 1918 armistice (Remembrance Day ...
In this traditional scheme, a complementary color pair contains one primary color (yellow, blue or red) and a secondary color (green, purple or orange). The complement of any primary color can be made by combining the two other primary colors. For example, to achieve the complement of yellow (a primary color) one could combine red and blue.