Template:Colors/doc

Usage
Sets foreground and background colors of a given text. They can be specified by name or in the format #dddddd (RGB hex triplet).

Unless in the case of personal use on a user page, use this template with great caution:
 * a poor contrast may make the text difficult or impossible to read
 * the contrast can be experienced as even poorer in the case of color blindness
 * links have a color according to user settings; they become invisible if this color is equal to the background color.

Examples
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Standard color names
The HTML 4.01 specification defines sixteen named colors, as follows: