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A hex triplet is a six-digit (or eight-digit), three-byte (or four-byte) hexadecimal number used in HTML, CSS, SVG, and other computing applications to represent colors.The bytes represent the red, green, and blue components of the color.
It is best to choose background colors that offer sufficient contrast in relation to text and blue links, which is also the color of references, both of which are very common in most articles. Use the WCAG link contrast checker to ensure that the chosen background color offers the recommended WCAG AA level of contrast against normal text ...
"Extended Color Keywords", CSS Color Module Level 3, a W3C Recommendation; X11 rgb.txt 1.1 at Xfree.86.org, 1994; X11 rgb.txt 1.2, 2005 (excluding 96 aliases); and Modern X.Org rgb.txt, from GitHub. Aubrey Jaffer. "Color-Name Dictionaries". Jaffer's page includes extensive information about and comparisons between color-name dictionaries.
In computer graphics, pixels encoding the RGBA color space information must be stored in computer memory (or in files on disk). In most cases four equal-sized pieces of adjacent memory are used, one for each channel, and a 0 in a channel indicates black color or transparent alpha, while all-1 bits indicates white or fully opaque alpha.
content – the white background, thin bordered box which contains the main page content. bodyContent – the main page content within the content box; The portlet class is the style used by all the div blocks around the main content. Identified blocks using that class:
to color-code or highlight particular users (including oneself) and/or links to particular pages (like the bolding of watched pages on Recent Changes). This works in Opera, but not in IE. See also Help:Watching pages#CSS. The watchlist and Recent Changes use two classes: autocomment
The text between < html > and </ html > describes the web page, and the text between < body > and </ body > is the visible page content. The markup text < title > This is a title </ title > defines the browser page title shown on browser tabs and window titles and the tag < div > defines a division of the page used for easy styling.
This template is used on approximately 5,800 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage . Consider discussing changes on the talk page before implementing them.