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Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire, and later by Roman Catholic bishops. Similarly in Japan , the color is traditionally associated with the emperor and aristocracy.
In formal color theory, purple colors often refer to the colors on the line of purples on the CIE chromaticity diagram (or colors that can be derived from colors on the line of purples), i.e., any color between red and violet, not including either red or violet themselves.
In optics, violet is a spectral color (referring to the color of different single wavelengths of light), whereas purple is the color of various combinations of red and blue (or violet) light, some of which humans perceive as similar to violet.
Color psychology is the study of hues as a determinant of human behavior. Color influences perceptions that are not obvious, such as the taste of food. Colors have qualities that can cause certain emotions in people. How color influences individuals may differ depending on age, gender, and culture.
Color Lapis lazuli seen through a microscope (x240 magnification) The intense blue color is due to the presence of the trisulfur radical anion (S •− 3) in the crystal. The presence of disulfur (S •− 2) and tetrasulfur (S •− 4) radicals can shift the color towards yellow or red, respectively.
Tyrian purple is a pigment made from the mucus of several species of Murex snail. Production of Tyrian purple for use as a fabric dye began as early as 1200 BC by the Phoenicians, and was continued by the Greeks and Romans until 1453 AD, with the fall of Constantinople.
In color printing and design, there are more variations between magenta and fuchsia. Fuchsia is usually a more pinkish-purplish color, whereas magenta is more reddish. [4] Fuchsia flowers themselves contain a wide variety of purples. Fuchsia was a very popular aesthetic for fashion during the 2000s.
The color lavender might be described as a medium purple, a pale bluish purple, or a light pinkish-purple. The term lavender may be used in general to apply to a wide range of pale, light, or grayish-purples, but only on the blue side; lilac is pale purple on the pink side.
Purple is one of the least used colors in vexillology and heraldry. Currently, the color appears in only three national flags: that of Dominica, Spain, and Nicaragua, and one co-official national flag, the Wiphala (co-official national flag of Bolivia) [original research?].
Mohammed bin Thani, who ruled from 1847 to 1876, proposed the creation of a flag with a purple-red colour in order to unify the state, and to highlight its historic role in the production of dye. In 1932, the British Navy suggested an official flag should be designed.