Colors are represented by a triplet of hexidecimal values representing
the Red, Green and Blue hue components of a given color. The range
of each hue value can be 00-FF Hex (0-255 Decimal) allowing a possible
color palette of 16 million colors if the operating system or video
card supports that many.
Color Reference Syntax
The values are used in HTML in this format:
<tagATTRIBUTE="#RRGGBB">
where RR, GG and BB are the respective hexadecimal values for
Red, Green and Blue concatenated together. Some browsers can also
recognize this color value without the "#" symbol present,
but this is not recommended.