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Interference colour chart. In optical mineralogy, an interference colour chart, also known as the Michel-Levy chart, is a tool first developed by Auguste Michel-Lévy to identify minerals in thin section using a petrographic microscope. With a known thickness of the thin section, minerals have specific and predictable colours in cross ...
Quartz grey: RAL 7040: Window grey: RAL 7042: Traffic grey A: RAL 7043: Traffic grey B: RAL 7044: Silk grey: RAL 7045: Telegrey 1: 1992 introduced for Deutsche Bundespost (Telekom) RAL 7046: Telegrey 2: 1992 introduced for Deutsche Bundespost (Telekom) RAL 7047: Telegrey 4: 1992 introduced for Deutsche Bundespost (Telekom) RAL 7048: Pearl mouse ...
Optical mineralogy. A petrographic microscope, which is an optical microscope fitted with cross- polarizing lenses, a conoscopic lens, and compensators (plates of anisotropic materials; gypsum plates and quartz wedges are common), for crystallographic analysis. Optical mineralogy is the study of minerals and rocks by measuring their optical ...
An IT8.7 Target by LaserSoft Imaging used for color management of digital cameras or scanners. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or color-matching fans. Typically there are two different types ...
Brown colors are dark or muted shades of reds, oranges, and yellows on the RGB and CMYK color schemes. In practice, browns are created by mixing two complementary colors from the RYB color scheme (combining all three primary colors). In theory, such combinations should produce black, but produce brown because most commercially available blue ...
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ColorChecker. The ColorChecker Color Rendition Chart (often referred to by its original name, the Macbeth ColorChecker[1] or simply Macbeth chart[2]) is a color calibration target consisting of a cardboard-framed arrangement of 24 squares of painted samples. The ColorChecker was introduced in a 1976 paper by McCamy, Marcus, and Davidson in the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 29 October 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical – news ...