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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 ...
In purple urine bag syndrome, bacterial enzymes that colonize the urinary catheter, specifically sulfatases and phosphotases, convert indoxyl sulfate to the colored compounds indirubin and indigo. [4] When oxidized indirubin becomes a reddish color while indigo becomes blue. [11]
The spectral colors from red to violet are divided by the notes of the musical scale, starting at D. The circle completes a full octave, from D to D. Newton's circle places red, at one end of the spectrum, next to violet, at the other. This reflects the fact that non-spectral purple colors are observed when red and violet light are mixed.
The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types.
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an ... violet yellow 424–491 blue ...
Violet Blue is an American journalist, author, editor, advisor, and educator. Blue wrote a weekly sex column for the San Francisco Chronicle until 2010. [ 3 ] In her podcast , Open Source Sex, she reads erotica and discusses topics such as fetishes and oral sex .
Except for these endpoints of the line, colors on the line are non-spectral (no monochromatic light source can generate them). Rather, every color on the line is a unique mixture in a ratio of fully saturated red and fully saturated violet, the two spectral color endpoints of visibility on the spectrum of pure hues.