This property defines
the color of any visited links in the document. The "colorinfo"
argument is a string that can contain either the hexadecimal definition
of the color or its literal description. If you use the hex definition
of a color it must be in the format rrggbb - for example, the hex value
for the named color 'forest green' is '228B22'.
Both lines in the follwing code do exactly the same thing, the first using
the hex value of a color and the second using its name.
document.linkColor = "228B22"
document.linkColor = "forestgreen"