Preline UI vs Ninna UI
Tailwind CSS component library with JavaScript plugins. Compare Preline UI and Ninna UI side by side to find which React component library fits your project in 2026.
Quick Verdict
Preline UI is a large set of Tailwind HTML components with a vanilla-JS plugin for interactivity. It's framework-agnostic and great for static markup, but it isn't a typed React component library. Ninna UI gives you real, typed React components with Radix accessibility instead of HTML snippets plus a JS plugin.
Feature Comparison
Side-by-side comparison of key features between Preline UI and Ninna UI.
| Feature | Ninna UI | Preline UI |
|---|---|---|
| Installation model | npm packages (12 scoped packages) | npm package + Tailwind plugin |
| Theming approach | CSS imports only - zero JS config | Tailwind config customization |
| Dark mode | Automatic via CSS - no provider needed | Tailwind dark mode (class strategy) |
| Component count | 67 components | 70+ components + page sections |
| Accessibility | Radix UI internally for complex widgets | Basic ARIA on interactive components |
| Bundle size | Tree-shakeable, CSS-only theming | Medium (Tailwind + Preline JS) |
| Tailwind CSS | v4 native (CSS-first config) | v3 + v4 support |
| TypeScript | Strict mode, data-slot types | JavaScript only (no TypeScript types) |
| Customization | 98 data-slot CSS targets + cn() | Tailwind classes |
| Maintenance | Standard npm update | Standard npm update |
| SSR support | Full (React Router / Next.js) | Partial (JS plugins need DOM) |
| React version | React 19+ | Framework-agnostic (HTML + JS) |
| Color system | oklch perceptual colors | Tailwind default palette |
| Learning curve | Low - CSS imports + React props | Low - HTML + Tailwind classes |
| Update mechanism | npm update (semver) | npm update (semver) |
Why choose Ninna UI
Key advantages of Ninna UI over Preline UI for your next project.
Native React components with TypeScript - Preline UI is vanilla HTML + JS, not React-native
Radix-powered accessibility - Preline has basic ARIA support only
Full TypeScript support with strict types - Preline has no TypeScript types
CSS-only theming with oklch colors - no Tailwind plugin configuration needed
Component-level API with props and events - not copy-paste HTML blocks
Honest trade-offs
Where Preline UI has advantages - we believe in transparent comparisons.
Large collection of page sections and templates for rapid prototyping
Framework-agnostic - works with any HTML project
No React dependency required
Extensive pre-built page layouts and marketing sections
Simple integration - just add the Tailwind plugin
Migrating from Preline UI
Step-by-step guide to move your project from Preline UI to Ninna UI.
- 1
Replace Preline HTML components with Ninna UI React components
- 2
Remove the preline Tailwind plugin from your CSS config
- 3
Add Ninna UI theme preset: `@import "@ninna-ui/core/theme/presets/default.css"`
- 4
Replace vanilla JS event handling with React state and props
- 5
Note: Page sections and templates will need to be rebuilt as React components
Ready to try Ninna UI?
Install in under 60 seconds. One CSS import, zero JavaScript config.
Looking for a Preline UI alternative?
See why developers switch from Preline UI to Ninna UI
Preline UI vs Ninna UI: FAQ
Is Preline UI a React component library?
No — Preline provides Tailwind HTML components with a vanilla-JS plugin for behaviour. Ninna UI provides typed React components with Radix-powered accessibility.
How does interactivity differ?
Preline uses a global JS plugin to enhance markup. Ninna UI's interactivity is built into real React components with proper state and accessibility.
Which is better for a typed React codebase?
Ninna UI, because you get full TypeScript types and React-native components rather than HTML strings plus a plugin.
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This comparison page is for informational purposes only. Information is based on official documentation and public data. All trademarks, logos, and brand names are the property of their respective owners. Last updated: March 2026.