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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.
Tyrian purple (Ancient Greek: πορφύρα porphúra; Latin: purpura), also known as royal purple, imperial purple, or imperial dye, is a reddish-purple natural dye. The name Tyrian refers to Tyre, Lebanon , once Phoenicia .
The color royal purple is a tone of purple that is bluer than the ancient Tyrian purple. The first recorded use of royal purple as a color name in English was in 1661. [ 11 ]
The converse is the Braikenridge–Maclaurin theorem, named for 18th-century British mathematicians William Braikenridge and Colin Maclaurin , which states that if the three intersection points of the three pairs of lines through opposite sides of a hexagon lie on a line, then the six vertices of the hexagon lie on a conic; the conic may be ...
Hexagonite is pleochroic, potentially displaying varying shades of blue, violet, purple, or red. [1] It is also known as "mangan-tremolite", since the manganese imparts the mineral's unique colors. [citation needed] Pink, lilac, and purple are the most common colors. [1] Hexagonite has been successfully faceted. [1]
Maximum Blue Purple #ACACE6 172 172 230 1926–1944 Part of the Munsell line. [2] Violet-Blue #766EC8 118 110 200 1903–circa 1910, 1930–1990 Known as "Blue-Violet", 1930–1958. [2] Blue-Violet #6456B7 100 86 183 1949–present Known as "Violet" 1949–1958. [2] Yes Yes Yes Yes Yes Yes Ultramarine Blue #3F26BF 63 38 191 1903–1944 Middle ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 December 2024. Varieties of the color violet Violet Spectral coordinates Wavelength 380–450 nm Frequency 800–715 THz Color coordinates Hex triplet #8000FF sRGB B (r, g, b) (128, 0, 255) HSV (h, s, v) (270°, 100%, 100%) CIELCh uv (L, C, h) (41, 134, 275°) Source W3C B: Normalized to [0–255 ...
Purple has long been associated with royalty, originally because Tyrian purple dye—made from the secretions of sea snails—was extremely expensive in antiquity. [1] 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 ...