From MozillaZine Knowledge Base
HTML links are said to be active when after a mouse is pressed down on them but before the mouse is released. This preference controls the color for active links when the page does not define a color.
Possible values and their effects
Any valid hex colour value. Default is #EE0000 (red).
Edit -> Preferences -> Appearance -> Colors -> Active Links
First checked in
Has an effect in
- Netscape (all versions since 7.2)
- Mozilla Suite (all versions since 1.6a)
- Firebird (all versions since 0.7)
- Firefox (all versions)
- SeaMonkey (all versions)
- Minimo (all versions)