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Penumbra - Colour Mode Manager

penumbra-extension.com
4.5(

18 ratings

)
ExtensionAccessibility8,000 users
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Overview

Seamlessly switch colour schemes on any website with one-click theme shifting.

Penumbra — Elegant Dark Mode 🌑 A refined dark mode for every website. Penumbra transforms bright pages into comfortable dark themes with smart auto-switching. 🌙 Instant Dark Mode One click to go dark on any site. Backgrounds darken, text stays clear. ⏰ Scheduled Switching Dark at night, light by day — fully automatic or based on system settings. 🎨 Customisable Adjust brightness, contrast, and warmth. Per-site settings available. 📋 Whitelist Exclude domains from dark mode. 🖼️ Smart Detection Images and media preserved in original colours. 👁️ Eye Comfort Softer light for evening and nighttime browsing. ⚡ Lightweight No flash, no lag, no fuss. Install Penumbra for effortless dark browsing.

4.5 out of 518 ratings

Learn more about results and reviews.

Details

  • Version
    1.0.3
  • Updated
    6 April 2026
  • Size
    7.86MiB
  • Languages
    12 languages
  • Developer
    Website
    Email
    juliefoster313@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organisation
The developer has disclosed that it will not collect or use your data. To learn more, see the developer's privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

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