Please be aware that Colorum Safari extension may not work on the latest version of macOS (Mojave and later). Instead, please use the new Colorum Safari App Extension.

Colorum - a Safari extension

Colorum (latin for colors) is a small and simple extension that let the user change the color on the viewed webpage:

  • - Nightmode - black background and gray text
  • - Zap colors - white background and black text
  • - Show structure - draws lines in different colors around different parts of the page.

You can download Colorum here and also from Apple's gallery of Safari extensions..

Colorum Nightmode Colorum Brightmode Colorum Linemode