Light is a word of many meanings. It could be the lightest in color or the lightest in its impact on the interface of your browser. I have done my best to find the lightest popular Firefox 3 themes that would fit into either dictionary definition.
Not interested in Light colored themes? Then why not take a look at some Dark Themes for Firefox.
1. Full Flat
A compact theme, so you can save toolbar space. This theme is only for Windows and Linux from this version.
A coat of Chrome for Firefox. Chromifox 2, a bright and soft blue theme for Firefox 3 on Windows, Linux, and Mac OS X.
Colors, sizes and paddings of elements are modified in detail to improve visibility and readability.
The official Firefox theme of the Elementary Project
iPox is an easy on the eyes, white and blue theme for Firefox.
Aero Fox Sliver redone for Firefox 3. Aero style glassy icons on a light background.
Based on the hmmXP theme for Windows by Fugacious, hmmXP for Firefox 3 uses simple, flat and small icons, and does away with gradients and rounded corners.
Simple and unobtrusive with clear, colorful icons.
A simple yet elegant continuation of Whitehart by Flyson.
Which theme did you like the most. Let us know!