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Topic: Primary pigments

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	Primary color - Wikipedia, the free encyclopedia
		Primary colors may themselves be mixed to produce most of the colors in a given color space.
		Primary colors are not a physical but rather a biological concept, based on the physiological response of the human eye to light.
		For this reason, a fourth "primary" pigment, fl, is often used in addition to the cyan, magenta, and yellow colors.
	en.wikipedia.org /wiki/Primary_color (759 words)

	Pigmented Ink (Site not responding. Last check: 2007-11-06)
		A photosynthetic pigment is a pigment that is present in chloroplasts or photosynthetic bacteria and captures the light energy necessary for photosynthesis.
		Yes, we were taught in primary school (no pun intended) that Red, Green, and Blue are the primary pigments; the article states that they're primary if they can't be created by mixing other pigments.
		Lake pigments are pigments made by precipitating a dye on an inert substance, such as calcium sulphate.
	www.blownspeakers.com /pages3/68/pigmented-ink.html (668 words)

	PRIMARY COLOR FACTS AND INFORMATION (Site not responding. Last check: 2007-11-06)
		A primary color (or colour) is a color that cannot be created by mixing other colors in the gamut of a given color_space.
		If the color space is considered as a vector space, the primary colors can be regarded as a set of basis_vectors for that space.
		Media that use reflected light and colorants to produce colors are using the subtractive_color method of color mixing.
	velocipay.com /primary_color (718 words)

	11.5 Hardcopy Layout
		The color palette for dithered raster objects consists of red, green, blue, cyan, magenta, yellow, fl, and white, which are the three primary colors, the three primary pigments, and the two colors created by the combined presence or absence of color or pigment, respectively.
		The primary colors (red, green, and blue) are the three colors of light that can be mixed in varying proportions to form all the colors of the rainbow.
		The primary pigments (cyan, magenta, and yellow) are the three pigment colors that can be mixed in varying amounts to create all colors in hardcopy form.
	www.microimages.com /refman/xhtml/DISPL067.HTM (7736 words)

	[No title]
		This is because pigments, such as paint, rely on colors of light that are absorbed, or subtracted, from the incoming light.
		Blue pigments — Subtracts red, orange and yellow light Reflects green, blue and violet Subtractive Primary Colors — (aka Primary Pigments) — Cyan, Magenta, Yellow Same colors that are complementary to the Additive Primary Colors When any two Subtractive Primary Colors are combined, they produce either red, green or blue pigments.
		When the three Subtractive Primary Colors are combined, all of the colors are subtracted from white light and the result is fl.
	www.ghg.net /jfox/physics/notes_14_4.doc (758 words)

	CMYK - a Whatis.com definition - see also: CMYB, cyan, magenta, yellow, and black pigment model (Site not responding. Last check: 2007-11-06)
		Pigments, as opposed to colors, represent energy that is not absorbed by a substance such as ink or paint.
		The primary pigments are cyan (C), magenta (M), and yellow (Y).
		The primary pigments and the primary colors are mathematically related.
	whatis.techtarget.com /definition/0,,sid9_gci211805,00.html (538 words)

	Black - Wikipedia, the free encyclopedia
		Pigments that absorb light rather than reflect it back to the eye "look fl".
		If appropriate proportions of three primary pigments are mixed, the result reflects so little light as to be called "fl".
		Black is the lack of all colors of light, or an exhaustive combination of multiple colors of pigment.
	en.wikipedia.org /wiki/Black (1417 words)

	Key Ideas: Light and Color
		When two primary colors of light are mixed together in equal amounts, both primary colors of light enter the eye, and the eye-brain system perceives a color that is the combination of the two.
		A primary color of pigment is defined as one that absorbs (or subtracts) a primary color of light and reflects the other two.
		Each pigment or filter removes certain colors of light from the visible spectrum, so that only light that is reflected by all pigments or that passes through all filters enters our eyes and determines the color we see.
	www.phys.lsu.edu /dept/opps/new_page_1.htm (1920 words)

	Black - FreeEncyclopedia (Site not responding. Last check: 2007-11-06)
		Pigments that absorb light rather than reflect it back to your eye "look fl." Conversely, the combination of all colors of light is called white.
		This can be explained as follows: the red pigment, for example, absorbs all light except red light; red light is reflected, and thus our eye sees the pigmented object as red.
		When many pigments are combined, whatever would have been reflected by one of the pigments is absorbed by the others.
	openproxy.ath.cx /bl/Black.html (362 words)

	Chlorophyll Synthesis in Dark-Grown Pine Primary Needles -- Schoefs and Franck 118 (4): 1159 -- PLANT PHYSIOLOGY
		All of the pigment separations were done according to the method of Schoefs et al.
		Standard pigment preparations for calibrations were prepared according to the method of Schoefs et al.
		Ou K, Adamson H (1995) Chlorophyll accumulation in cotyledons, hypocotyls and primary needles of Pinus pinea seedlings in light and dark.
	www.plantphysiol.org /cgi/content/full/118/4/1159 (4960 words)

	Watercolor tips by John Koser
		But in the process I left behind the excitement of the remnants of the primary colors that were hinted at in the secondary and tertiary colors.
		The hints of the primary colors are in background, subject matter and foreground add an element of spontaneity and light continuity.
		The live foliage was preserved as white paper during the painting of background because these special shapes, be they a flower bud or a leaf are kept dry as the primary pigments are "charged" into the wet surfaces that surround them.
	watercolor-online.com /Articles/JohnKoser/Koser.html (1348 words)

	Interactive Workshops -- Shedding Light on Science
		Primary colors are the set of colors that when combined in certain proportions will produce any color of the visible spectrum.
		Primary colors may either be additive or subtractive.
		Mixing colors of pigment (paint, crayon, filters, e.g.) produces colors which are darker since more and more light is subtracted when they are combined.
	www.learner.org /channel/workshops/sheddinglight/highlights/highlights3.html (1013 words)

	Ocean colour : MEDITERRANEE (Site not responding. Last check: 2007-11-06)
		The seasonal evolution of the upper-ocean pigment concentration is described and analyzed within the whole basin and its sub-basins.
		From the chlorophyll concentration in the top layer, and by using statistical relationships, the depth-integrated pigment content is estimated and used in conjunction with a light-photosynthesis model to estimate the carbon fixation.
		Despite a relatively good spatial coverage, studying the interannual variability of the pigment distribution and primary production appeared to be impossible.
	www.obs-vlfr.fr /modelisation/mediterr.htm (522 words)

	WetCanvas! - What are the 3 primary pigments?
		But a pigment that is more or less cyan colored, like phthalo blue, and a more or less magenta one, like one of the quinacridones, plus a yellow pigment like cadmium yellow lemon, will probbaly yield the widest range of colors of any three color palette you might pick.
		Also, I don't think the ideal pigments would be able to replicate some characteristics of real pigments, like dual-toned nature, and you'd also have to take into account the effects of the binder, and other stuff, so this 'ideal primary pigment' stuff is still (and will probably always be) just a pipe dream.
		The limitations of actual, lightfast 'primary' pigments has been discussed on this forum for years and is no news to any of the regulars on this forum....I did a small mixing exercise several years ago just to get a rough idea of the gamut of combinations of a very few 'primary' pigments.
	www.wetcanvas.com /forums/archive/index.php/t-161044.html (20058 words)

	Sanford & A Lifetime of Color: Study Art (Site not responding. Last check: 2007-11-06)
		The primary colors are red, blue and yellow.
		Primary colors cannot be made from other colors.
		Artists create secondary and intermediate colors by mixing primary pigments.
	www.sanford-artedventures.com /study/g_primary.html (34 words)

	Color Mixing (Site not responding. Last check: 2007-11-06)
		To distinguish mixing of colored pigments (inks, dyes) and mixing of colored beams of light.
		List the three primary colored light beams, and recognize that these are the colors used in colored TV.
		List the three primary pigments and recognize that these are used in color printing.
	www.iit.edu /~smile/ph8713.html (491 words)

	[No title]
		Color impurities in pigments cannot be removed- purpose of color correction- to reduce the amount of ink being printed in those regions of each separation where they overlap.
		Pigment absorbs only blue and red: green is reflected — visual sensation is green.
		Primary colors of the light — red, blue, and green.
	www.wmich.edu /ppse/pekarovicova/071099.html (1303 words)

	Yellow - Open Encyclopedia (Site not responding. Last check: 2007-11-06)
		Yellow is the color of light whose wavelength is between 565nm and 590nm, or is a mixture of red and green light that appears to be the same color.
		Yellow is one of the subtractive primary colours (primary pigments), and its complementary color is blue.
		Yellow is a bright cheerful color, but in the English language, yellow is associated with jaundice and cowardice.
	open-encyclopedia.com /Yellow (455 words)

	ocean color : G LO B E (Site not responding. Last check: 2007-11-06)
		A fast method has been proposed [Antoine and Morel, this issue] to compute the oceanic primary production from the upper ocean chlorophyll-like pigment concentration, as it can be routinely detected by a spaceborne ocean color sensor.
		This method is applied here to the monthly global maps of the photosynthetic pigments that were derived from the coastal zone color scanner (CZCS) data archive [Feldman et al., 1989].
		Improving the reliability of the primary production estimates implies (1) new global data sets allowing a higher temporal resolution and a better coverage, (2) progress in the knowledge of physiological responses of phytoplankton and therefore refinements of the time and space dependent parameterizations of these responses.
	www.obs-vlfr.fr /modelisation/globe.htm (458 words)

	A Lifetime of Color's Art Education Resources (Site not responding. Last check: 2007-11-06)
		primary colors (if necessary), paint primary blue, red and yellow in the three large circles (labeled primary) on your color wheel.
		Primary colors cannnot be made from other colors.
		However natural and chemical pigments used in paint and other media are not as pure and bright as the colors in the light spectrum.
	www.sanford-artedventures.com /create/tech_paint_wheel_web.html (605 words)

	Light (Site not responding. Last check: 2007-11-06)
		Primary Colors - Visible light contains primary colors that are fundamental to human color vision.
		The primary additive colors are red, green, and blue, while the primary subtractive colors are cyan, magenta, and yellow.
		Adding the primary additive colors together in equal portions yields white, and adding the primary subtractive colors together (also in equal portions) yields fl.
	web-1.sgc.peachnet.edu /~hbrasell/chs/light.html (2508 words)

	Everything you always wanted to know about Black
		In terms of pigment, however, fl is the combination of all (pigment) colors.
		If equal proportions of primary pigments are mixed, the result reflects little light and so is "fl." This creates two opposite yet complementary definitions of fl.
		(Note that when referring to the intensity of pigment or light, fl is always the complete lack of intensity.) Black is often used in painting and film to express the unknown or death.
	www.relan.net /List_of_phobias/Black.html (435 words)

	color -> Apparent Color of Objects on Encyclopedia.com 2002
		Black and white are not generally considered true colors; fl is said to result from the absence of color, and white from the presence of all colors mixed together.
		When pigments are mixed, the resulting sensations differ from those of the transmitted primary colors.
		The process in this case is “subtractive,” since the pigments subtract or absorb some of the wavelengths of light.
	www.encyclopedia.com /html/section/color_apparentcolorofobjects.asp (628 words)

	RGB & CMYK by Jennifer Walling : Other Art Media on the Art Cafe Network (Site not responding. Last check: 2007-11-06)
		Whereas pigments absorb light creating a color by only allowing that spectrum of light to be reflected back for us to see.
		Yet, when primary pigment values of Cyan, Magenta and Yellow are equally combined at full value we see fl.
		Often Black is a fourth Key color in CMYK because of the large amount of the three primary pigments it takes to create fl.
	www.artcafe.net /geek/rgbcmyk (940 words)

	Geometry, Imaging and Virtual Environments
		Color matching is the process of determining the ratios of pigments in a mixture such that it will result in a desired color.
		It would be very convenient if the color of a mixture of pigments could be computed from the reflectivity curves (i.e., the fraction of light that is reflected, for all wavelengths in the visible range of the spectrum) of the primary pigments.
		Next, measurements of spectral reflectivity curves must be taken from inks both from primary pigments and from mixtures.
	www.cs.uu.nl /centers/give/education/experimentation/color-matching.html (501 words)

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