architecture

How Design Systems Handle Dark Mode and Theme Switching: 5 Architecture Patterns

April 12, 2026 alexpate/awesome-design-systems ↗

Design systems handle dark mode and theme switching by centralizing visual values as design tokens—implemented via CSS custom properties, React Context providers, or JavaScript injection—enabling a single toggle to propagate changes consistently across all components.

The alexpate/awesome-design-systems repository curates production-grade implementations that demonstrate exactly how design systems handle dark mode and theme switching at scale. Rather than hardcoding hex values, these systems store colors, shadows, and typography in token-based architectures that support runtime theme swaps. This article analyzes five dominant patterns found across

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