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How to Dynamically Change Favicon Color in a NextJS

Ever wondered how to change the favicon color dynamically in your Next.js app? Most tutorials out there show you how to switch the favicon between two modes light and dark based on the system or user preference. That’s great, but what if you want to take it a step further? In this tutorial, we’ll learn how to generate a custom-colored favicon using SVG and update it in real-time based on the user’s selected color — not just light or dark themes. We’ll use Next.js as our framework React Context for sharing the color state A little SVG + JavaScript magic to create and update the favicon dynamically Let’s get started!

Apr 19, 2025 - 19:30
 0
How to Dynamically Change Favicon Color in a NextJS

Ever wondered how to change the favicon color dynamically in your Next.js app? Most tutorials out there show you how to switch the favicon between two modes light and dark based on the system or user preference. That’s great, but what if you want to take it a step further?

In this tutorial, we’ll learn how to generate a custom-colored favicon using SVG and update it in real-time based on the user’s selected color — not just light or dark themes.

We’ll use

  • Next.js as our framework
  • React Context for sharing the color state
  • A little SVG + JavaScript magic to create and update the favicon dynamically

Let’s get started!

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