First open the Document Properties dialog:
On the Format menu click Document Properties.
In the Document Properties dialog click a Color Picker
to select a color.
As you change the color of the different link types and text, your changes will be previewed in the preview window of the Document Properties dialog.
The background color of your document. If you are using background graphics, make sure to pick a background color as well because it can take a while for the graphic to load.
Unless you specify otherwise with the <FONT> tag, the text of the document will be displayed in this color.
An unclicked link will be displayed this color.
A link that is being clicked will be displayed this color.
A link that has been visited will be displayed this color.