Chromatic

Chromatic adds visual regression testing and UI review to Storybook. Created by the Storybook team, it's the natural extension for teams who want automated visual testing.

Key Features:

• Visual Regression - Catch unintended UI changes automatically
• UI Review - Approve or reject visual changes in PRs
• Storybook Hosting - Publish and share your Storybook
• CI Integration - Run visual tests in your pipeline

Why Chromatic:

• Storybook Native - Built by the same team, perfect integration
• Pixel Comparison - Accurate visual diffing
• Review Workflow - Assign reviewers, track approvals
• Performance - Tests run in parallel, fast results

Chromatic capabilities:

• Interaction Testing - Test component behavior visually
• Accessibility - Accessibility checks in visual tests
• Responsive - Test across viewport sizes
• Branch Preview - See changes before merging

Chromatic is the obvious choice for teams using Storybook who want visual testing. The workflow integration—visual diffs in PRs, approval flows—makes catching regressions part of the development process.