Carbon Design System vs Clarity Design System

Carbon Design System is IBM’s open-source design system for digital products, shaped by the IBM Design Language. Carbon Core provides foundations, components, patterns, code, and guidance for teams building consistent digital experiences. Carbon for Products adds product-oriented components, styling, and guidance, with components built using React. The wider ecosystem includes Carbon for AI guidelines and reusable elements, Carbon Charts, and integrations such as Carbon for Cloud, Carbon for AEM, and Carbon React Native. Design kits maintained in Figma receive library updates automatically. Carbon MCP lets AI applications or agents query colors, typography, component details, and usage guidance. Web components are available as ES modules or through a CDN and can be used with frameworks such as Angular or Ember. Developer resources include GitHub repositories, Storybooks, tutorials, Carbon Devtools, a color-contrast checker, and UI Builder. The builder can export presentation images, demo apps, or frontend code. Components follow accessibility checks based on IBM’s checklist. Carbon is free to use and contribute to, with no paid tiers stated. Its patterns cannot include code for every possible implementation.

Clarity Design System is a free, open-source toolkit for enterprise-focused interface design, with inclusion at its center. It combines design assets—including Figma themes, icons, color libraries, fonts and downloadable SVG icons—with more than 30 components and over 200 icons. Clarity Core provides reusable Web Components for Angular, React, Vue, other JavaScript frameworks, or projects without a framework. It is compatible with Webpack, RollupJS, Parcel and most framework CLIs. React projects need the additional @cds/react wrapper because React does not fully interoperate with custom elements. The datagrid supports more than a dozen features and thousands of data entries. Clarity follows WCAG 2.1 AA guidelines and has a dedicated accessibility team; accessibility checks cover multiple tools, screen readers and browser combinations. The code is licensed under MIT. Community questions go through GitHub Discussions, while issues and feature requests are tracked in GitHub Issues. Each major release is actively supported for six months after the next major release becomes available. Clarity Core currently requires a JavaScript bundler to import its dependencies.