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The Empire UI blog

Practical guides on UI styles and effects - every article ships free, working React & Tailwind code.

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5 articles · #theming · showing 1-5

Code editor showing CSS custom properties and React theming code

2026-09-19 · 9 min read

Multi-Theme System in React: CSS Variables + Context + localStorage

Build a production-grade multi-theme system in React using CSS custom properties, Context API, and localStorage - with zero re-renders and instant persistence.

themingcss variables

Dark code editor screen displaying CSS color variables on black background

2026-07-26 · 8 min read

Dark Mode Color Tokens: Building a Theme That Doesn't Break Everything

Stop shipping dark mode as an afterthought. Here's how to build a real color token system with CSS variables that survives theming, components, and third-party libraries.

dark modetokens

Colorful design tokens palette organized on a developer workspace screen

2026-07-25 · 8 min read

Semantic Color Tokens: From Raw Palette to Intent-Based Design System

Stop naming colors after hex values. Semantic color tokens map intent to palette - here's how to build a token system that actually survives dark mode and rebrands.

design tokenssemantic

colorful gradient code editor screen with CSS syntax highlighted

2026-06-19 · 8 min read

CSS Custom Properties: Dynamic Theming and Animation Tricks

CSS custom properties unlock dynamic theming, live animation control, and component-scoped design tokens - here's how to actually use them well in 2026.

css variablescustom properties

Developer writing CSS custom properties code on a dark monitor screen

2026-06-15 · 8 min read

CSS Custom Properties as a Design System: The Right Architecture

Build a scalable CSS custom properties architecture that powers real design systems - theming, tokens, component overrides, and dark mode without the mess.

css variablesdesign system

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