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Shades of purple. There are numerous variations of the color purple, a sampling of which is shown below. In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among ...
Deep reddish purple. B: Normalized to [0–255] (byte) The color Byzantium is a particular dark tone of purple. It originates in modern times, and, despite its name, it should not be confused with Tyrian purple ( hue rendering ), the color historically used by Roman and Byzantine emperors. The latter, often also referred to as "Tyrian red", is ...
Tetragrammatic cross Relief with the tetragrammatic cross as imperial arms, in the Istanbul Archaeological Museum. During the Palaiologan period, the insigne of the reigning dynasty, and the closest thing to a Byzantine "national flag", according to Soloviev, was the so-called "tetragrammatic cross", a gold or silver cross with four letters beta "Β" (often interpreted as firesteels) of the ...
The false cleanerfish ( Aspidontus taeniatus) is a species of combtooth blenny, a mimic that copies both the dance and appearance of Labroides dimidiatus (the bluestreak cleaner wrasse), a similarly colored species of cleaner wrasse. It likely mimics that species to avoid predation, [2] as well as to occasionally bite the fins of its victims ...
Disclosing tablets are chewable tablets that make dental plaque visible. The tablets, sold over the counter in many countries, contain a dye (typically a vegetable dye, such as Phloxine B) that stains the plaque a bright color (typically red or blue). After brushing, one chews a tablet and rinses. Colored stains on the teeth indicate areas ...
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.
Reflected light detected by the human eye determines the perceived appearance of a tooth. Teeth have a thin enamel layer on the outer surface. The enamel layer is whiter and semitransparent, and contributes blue, pink green tints to the tooth color. The underlying dentin layer is darker than enamel, yellow-brown in color, and less transparent.
Purple is a color that not only stands out in nature, and since it is such an unexpected color, it catches people's attention. However, as we'll share below, there are a couple of other colors ...