Search results
Results from the WOW.Com Content Network
In formal color theory, purple colors often refer to the colors on the line of purples on the CIE chromaticity diagram (or colors that can be derived from colors on the line of purples), i.e., any color between red and violet, not including either red or violet themselves. The first recorded use of purple as a color name in English was in 975 AD.
The Royal purple or Imperial purple was probably used until the time of Augustine of Hippo (354–430) and before the demise of the Roman Empire. Dye chemistry [ edit ] Variations in colours of "Tyrian purple" from different snails are related to the presence of indigo dye (blue), 6-bromoindigo (purple), and the red 6,6'-dibromoindigo.
List of Crayola crayon colors. An assortment of crayon boxes produced by Binney & Smith between 1903 and 1920. Since the introduction of Crayola drawing crayons by Binney & Smith in 1903, more than 200 colors have been produced in a wide variety of assortments. The table below represents all of the colors found in regular Crayola assortments ...
The standard HTML color purple is created by red and blue light of equal intensity, at a brightness that is halfway between full power and darkness. In color printing, purple is sometimes represented by the color magenta, or sometimes by mixing magenta with red or blue. It can also be created by mixing just red and blue alone, but in that case ...
In computing, on the X Window System, X11 color names are represented in a simple text file, which maps certain strings to RGB color values. It was traditionally shipped with every X11 installation, hence the name, and is usually located in <X11root> /lib/X11/rgb.txt. The web colors list is descended from it but differs for certain color names.
royalpurple .com. Royal Purple is an American manufacturer which produces lubricants for automotive, industrial, marine, and racing use. [2] It is known primarily for its line of synthetic Royal Purple Motor Oil products used in gasoline and diesel engines. [3] [4] [5] They also produce other fluids including gear oil, transmission fluid, power ...
In color theory, the line of purples or purple boundary is the locus on the edge of the chromaticity diagram formed between extreme spectral red and violet. 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 ...
The method used for selecting the colours for various top-level pages, e.g. Main Page, Community Portal, Contents, and Help:Contents. The 3 colours are generated using the HSV colour space, then translated into RGB. Note: for layouts with no spacing between borders, use the darker border colour.