Dynamic HEX Theme by HEX Machina

Live theme control for Firefox with instant HEX input and color pickers.

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You’ll need Firefox to use this extension

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About this extension

Take full control of your Firefox theme with real-time color editing. Choose from curated palettes or enter your own HEX codes to instantly style your browser — no restarts, no reloading.

Features:

Edit the color of your browser’s Frame, Toolbar, Tab Background, and Text

Use HEX values or choose from 10 built-in themes

Save and delete your own custom themes

Shuffle button: rotates your current colors to new roles

Super Shuffle button: generates four totally random colors

Changes apply instantly and persist between sessions

Whether you’re building a cozy aesthetic, matching your desktop, or just having fun with colors — Dynamic HEX Theme gives you the flexibility to design a browser that fits your mood.

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Release notes for 3.1

🔖 Version 3.1 – “Total Theme Control”

✨ What’s New:

🎨 5 fresh color palettes extracted from beautiful curated sets:

    Citrus Grove, Harvest Glow, Pastel Pop, Shadow Bloom, Cream Ember

🖼️ New icon design to match the palette aesthetic

💾 Save/Delete custom themes with one click

🔄 Shuffle Colors – Rotate current colors to try new combinations

🎲 Super Shuffle – Generate 4 random HEX colors instantly

📌 Improved layout with color tools next to the pickers

🧼 Labels improved for clarity (Tab BG → Tab Background)

🛠 Fixes:

Presets now persist correctly

Shuffle always repositions colors (no repeat slots)

AMO ID issue resolved for smooth submission

Required permissions: