Theme Playground

Shadcn UI Theme Editor

Customize your Shadcn UI theme visually. Pick from prebuilt themes, tweak colors, preview across real components - then export your config and ship.

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Shadcn Theme Generator, Build Your Theme Without Touching a Config File

The ShadcnDeck shadcn theme generator lets you visually customize your shadcn/ui component colors, border radius, and typography, no config file editing required. Preview every change live across real components, then export a clean theme config that drops straight into your Next.js project.

What Is a Shadcn Theme Generator

A shadcn theme generator is a visual tool that lets you configure your shadcn/ui CSS variables, like colors, radius, and font, without manually editing a config file. You pick values, see them reflected instantly across real shadcn components, and export the result directly into your project. Once your theme is ready, pair it with any of our shadcn templates to see exactly how it looks in a real page layout.

What You Can Customize

Every visual property that shadcn/ui exposes through CSS variables is editable here, no code required until you are ready to export.

  • •Colors, including--primary--secondary--background--foreground--muted--accent--destructive
  • •Border radius, adjust the --radius token to change corner rounding across all components at once
  • •Typography, font family and base size settings
  • •Light and dark mode, preview and export both token sets together

How to Use the Theme Generator

No account needed. Open the tool, start customizing, and export when you are happy with the result.

  • •Choose a prebuilt theme as a starting point, or start from the default shadcn/ui tokens
  • •Tweak colors, radius, and typography. Every change previews live across real components
  • •Export a clean CSS variable block and paste it directly into your project's globals.css file
  • •Test your theme against a real page by pairing it with a free shadcn template like ChatDeck

Why Use ShadcnDeck's Theme Generator

Most shadcn theming happens by hand, editing CSS variables in a globals file and refreshing the browser to see the result. This tool removes that loop entirely. You see every change instantly across buttons, cards, inputs, and navigation components, not just a color swatch. The exported config is clean, copy-paste ready, and fully compatible with any shadcn templates or existing shadcn/ui project.

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