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Platinum is a color that is the metallic tint of pale grayish-white resembling the metal platinum .
The web colors gray, gainsboro, light gray, dark gray, and dim gray are all achromatic colors. A chromatic gray is a gray color in which the red, green, and blue codes are not exactly equal, but are close to each other, which is what makes it a shade of gray.
The following is a list of RAL Classic colours [1] from the RAL colour standard. The visual samples are approximate and informative only.
Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. It has six naturally occurring isotopes. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg /kg. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa, which accounts for ~80% of the world production ...
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 ...
APHA color, also referred to as the Hazen scale, and more appropriately as the Platinum Cobalt (Pt/Co) scale, [1] is a color standard named for the American Public Health Association and defined by ASTM D1209. [2] It was originally intended to describe the color of waste water, but its usage has expanded to include other industrial applications.
Coming Home from the Marshes, platinum print by Peter Henry Emerson, 1886. Platinum prints, also called platinotypes, are photographic prints made by a monochrome printing process involving platinum . Platinum tones range from warm black, to reddish brown, to expanded mid-tone grays [clarification needed] that are unobtainable in silver prints.
Platinum (II) chloride is the chemical compound Pt Cl 2. It is an important precursor used in the preparation of other platinum compounds. It exists in two crystalline forms, but the main properties are somewhat similar: dark brown, insoluble in water, diamagnetic, and odorless.