You can specify the colours you want your page to display in via several attributes of the <body> tag at the start of your page, e.g.
<body BGCOLOR="black"> will set the background colour of a web page to black. Since the default colour for the text is black this could lead to problems, so we can use <body BGCOLOR="black" TEXT="white"> to make sure everything is still legible. 16 colours are defined:
| White | Silver | Gray | Black |
| Yellow | Fuchsia | Red | Maroon |
| Purple | Blue | Navy | Teal |
| Aqua | Lime | Green | Olive |
Of course we often want a bit more control over exactly what shade we want. Many browsers have defined other colours in addition to these, but the best way is to specify the colour exactly in red-green-blue (RGB) format.
HTML's RGB colour definitions takes the form of a six-digit hexadecimal number, with two digits for each of the primary colours. Hexadecimal is a base 16 numbering system, with 0 to 9 representing their usual numbers and then the letters A to F representing the numbers 10 to 15. Thus a two-digit hexadecimal number varies from 00 to FF, which is equivalent to a decimal range from 0 ("none") to 255 ("full"). A selection of codes is shown below:
| #000000 | #666666 | #CCCCCC |
| #660000 | #006600 | #000066 |
| #CC0000 | #00CC00 | #0000CC |
| #666600 | #006666 | #660066 |
| #CCCC00 | #00CCCC | #CC00CC |
There are three different colours that can be associated with hypertext links, all of them set via attributes of the <body> tag:
<body link="yellow"> means links appear yellow initially.
<body alink="magenta"> means links flash magenta when a user clicks on them.
<body vlink="blue"> means links appear blue once the user has followed them.
Change the background and text colours for your web page. If you like you can change the colours associated with the links as well.
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