Head-to-Head: Emotion vs Semantic UI Analysis


v11.11.2(4 months ago)

This package is actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 5Monthly npm downloads

@emotion/css is a popular CSS-in-JS library that allows developers to write styles in JavaScript code. It provides a simple and intuitive API for styling React components, giving you complete control over how your styles are defined and applied. Additionally, it supports a wide range of CSS features and allows you to use custom CSS properties and variables. With its powerful composition features, @emotion/css enables developers to easily create reusable style components that can be shared across multiple projects.

Alternatives: styled-components, css-modules, jss

Tags: css-in-jsreactlibraryperformancecustom-css-properties


v2.5.0(12 months ago)

This package is actively maintained.Types definitions are provided via a separate npm package: @types/semantic-uiNumber of direct dependencies: 33Monthly npm downloads

Semantic UI is a comprehensive front-end development framework that utilizes human-friendly HTML to create responsive, mobile-friendly websites. The framework provides a wide range of UI components, including buttons, menus, forms, and modals, along with many pre-built themes that can be customized to suit your project. Semantic UI is also built with accessibility in mind, adhering to WAI-ARIA standards to ensure compatibility with assistive technologies like screen readers.

Alternatives: bootstrap, foundation, tailwindcss

Tags: htmlcssjavascriptfront-endresponsive-designaccessibility



Both @emotion/css and Semantic UI are popular npm packages, but they cater to different needs. @emotion/css is widely used for managing CSS within React applications and has gained popularity within the React community. Semantic UI, on the other hand, is a comprehensive UI framework and has gained popularity among developers looking for pre-designed components.


@emotion/css is a library for managing CSS within JavaScript, specifically in React applications. It provides a way to write CSS styles in JavaScript using a CSS-in-JS approach. It offers powerful features such as CSS variables, media queries, and keyframes, allowing for dynamic and reusable styles. Semantic UI, on the other hand, is a UI framework that provides a set of pre-designed components, including buttons, forms, menus, grids, and more. It offers a wide range of ready-to-use UI elements and follows a consistent design language.

Developer Experience

@emotion/css provides a convenient and modern API for styling components in React. It allows for easy composition, theming, and dynamic styles. It also integrates well with tools like Babel and webpack. Semantic UI provides a set of pre-designed components that can be easily customized through CSS overrides or Sass variables. It offers a rich set of documentation and examples to help developers get started quickly.


@emotion/css allows for highly customizable styling within React components. Developers have fine-grained control over individual styles, theming, and inline styling. Semantic UI, on the other hand, provides a more opinionated approach with pre-designed components. While customization is possible through CSS overrides or Sass variables, it may require more effort to achieve a completely unique visual design.


@emotion/css integrates seamlessly with React applications and can be used alongside other popular libraries and frameworks. It works well with virtual DOM diffing algorithms, making it performant and efficient. Semantic UI, being a UI framework, can be used in various projects, including React, but it may require additional setup and configuration depending on the project's build system and requirements.

Community and Support

@emotion/css is backed by a strong and active community within the React ecosystem. It is frequently updated and maintained. Semantic UI also has a supportive community and provides comprehensive documentation, examples, and support channels. Both packages have GitHub repositories where issues can be reported and questions can be asked.