Chromatic was founded by Dominic Nguyen, Tom Coleman, and Zoltan Olah — core maintainers of Storybook. The company is based in San Francisco with a distributed team, and it’s raised funding to support both Chromatic and Storybook development.
The platform solves a real problem: catching visual regressions before they reach users. Every time you push code, Chromatic captures screenshots of your Storybook stories and compares them pixel-by-pixel against the previous version. If anything looks different, it flags it for review. This catches CSS bugs, layout shifts, and unintended visual changes that unit tests can’t detect.
Chromatic’s cloud infrastructure renders your stories in consistent browser environments, eliminating the flaky screenshots you’d get running visual tests locally. It captures screenshots across different viewports and browsers simultaneously. The review workflow integrates into your pull request process — reviewers can approve or reject visual changes directly.
Beyond visual testing, Chromatic publishes your Storybook to a shared URL. Designers, product managers, and other stakeholders can browse components and leave feedback without running anything locally. The interaction testing feature lets you verify component behavior alongside visual appearance.
Chromatic processes over 1 million snapshots per day. It’s used by teams at Auth0, Monday.com, and Lottie. The free tier includes 5,000 snapshots per month, making it accessible for smaller teams. Integration with GitHub, GitLab, and Bitbucket means visual tests run automatically on every pull request.
