← Blog

Full library access

Unlock every article — and keep reading each month

Create a free account, pick a plan that fits how you read, and use monthly credits for deep dives on engineering, products, and founder reality. Cancel or switch anytime from your profile.

Blog

🦊 Firefox 120 Released: Dark Mode, LH and Okloch Colors

🦊 Firefox 120 Released: Dark Mode, LH and Okloch Colors

Hi, my name is Tom Smykowski, I'm a staff full-stack engineer. I build and scale SaaS platforms to millions of users, working end-to-end from system architecture to frontend to mobile. On this blog I share what I learn about software development, browser technologies, and enhancing user experience.

What This Article Covers

Explore the new features introduced in Firefox 120, including innovative support for light and dark mode colors, the introduction of new CSS units, and enhancements to user interaction detection. Discover how these updates can impact web development and improve the browsing experience.

Questions This Article Answers

  • What are the new CSS functions introduced in Firefox 120 for light and dark mode?
  • How do the new lh and rlh units enhance web design flexibility?
  • What is the User Activation API and how can it be utilized?
  • How do Okloch colors work, and what advantages do they offer for web designers?
  • What are some additional minor updates included in Firefox 120?

Length and Time

A concise exploration of Firefox 120's latest features and their implications for web developers. Approximately 7 minutes to read.

Want to unlock the full story? Log in

Full library access

Unlock every article — and keep reading each month

Create a free account, pick a plan that fits how you read, and use monthly credits for deep dives on engineering, products, and founder reality. Cancel or switch anytime from your profile.

← All posts