Search results
Results from the WOW.Com Content Network
National colours are frequently part of a country's set of national symbols.Many states and nations have formally adopted a set of colours as their official "national colours" while others have de facto national colours that have become well known through popular use.
As colorfulness, chroma, and saturation are defined as attributes of perception, they can not be physically measured as such, but they can be quantified in relation to psychometric scales intended to be perceptually even—for example, the chroma scales of the Munsell system. While the chroma and lightness of an object are its colorfulness and ...
In the Islamic world, blue was of secondary importance to green, believed to be the favourite color of the Prophet Mohammed. [ 22 ] [ citation needed ] At certain times in Moorish Spain and other parts of the Islamic world, blue was the color worn by Christians and Jews, because only Muslims were allowed to wear white and green. [ 23 ]
The brilliant iridescent colors of the peacock's tail feathers are created by structural coloration, as first noted by Isaac Newton and Robert Hooke.. Structural coloration in animals, and a few plants, is the production of colour by microscopically structured surfaces fine enough to interfere with visible light instead of pigments, although some structural coloration occurs in combination ...
By contrast, in the Islamic world, blue was of secondary to green, believed to be the favourite colour of the Prophet Mohammed. At certain times in Moorish Spain and other parts of the Islamic world, blue was the colour worn by Christians and Jews, because only Muslims were allowed to wear white and green.
The flag of France, an example of a tricolour flag. A tricolour (BE) or tricolor (AE) is a type of triband design which originated in the 16th century as a symbol of republicanism, liberty, or revolution. The oldest tricolour flag originates from the Netherlands, whose successor later inspired the French and Russian flags. [2] [3] [page needed]
© 2012 Catalyst Inc. – Do Not Distribute Without Permission 2 Why Diversity Matters ..... 3
For example, the Arctic fox has a white coat in winter (containing little pigment), and a brown coat in summer (containing more pigment), an example of seasonal camouflage (a polyphenism). Many animals, including mammals , birds , and amphibians , are unable to synthesize most of the pigments that colour their fur or feathers, other than the ...