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Umbra
Comfortable dark mode that respects every website.
Umbra brings a designer-quality dark mode to every website. Instead of harsh color inversion, it uses carefully balanced colors that are easier on the eyes. It automatically skips sites with native dark themes, reduces white flashes while pages load, and lets you customize brightness, contrast, and grayscale globally or per site. Everything runs locally—no login, no tracking, and no personal data collection.
Hi everyone! 👋
I'm excited to introduce Umbra.
Like many developers, I spend long hours in the browser, especially at night. Most dark mode extensions simply invert colors, which often creates harsh contrast, unnatural colors, or readability issues.
Before building Umbra, I spent time reading research on dark mode, color perception, visual ergonomics, and human-computer interaction to better understand what actually makes interfaces more comfortable to look at—not just darker.
Those ideas shaped Umbra's design. Instead of pure black inversion, it applies carefully balanced colors, detects websites that already provide their own dark theme, and minimizes the bright white flash that often appears while pages load.
Everything runs locally in your browser—no accounts, no tracking, and no personal data collection.
I'd love to hear which websites you use most and any feedback you have. Thanks for checking out Umbra! 🌙
About Umbra on Product Hunt
“Comfortable dark mode that respects every website.”
Umbra was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #54 on the daily leaderboard. Umbra brings a designer-quality dark mode to every website. Instead of harsh color inversion, it uses carefully balanced colors that are easier on the eyes. It automatically skips sites with native dark themes, reduces white flashes while pages load, and lets you customize brightness, contrast, and grayscale globally or per site. Everything runs locally—no login, no tracking, and no personal data collection.
On the analytics side, Umbra competes within Chrome Extensions, Productivity and User Experience — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Umbra performed against the three products that launched closest to it on the same day.
Who hunted Umbra?
Umbra was hunted by Jonghyun. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Umbra including community comment highlights and product details, visit the product overview.
Jonghyun