Meet stewie, VitalSource's design system.

Stewie provides UI components, UX guidelines, and tools to help our teams efficiently design accessible and cohesive VitalSource products.

Inclusive.

Ensure accessibility standards are met. All stewie components are WCAG AA compliant.

Efficient.

With automatic bug fixes, updates and accessibility built in you can reduce design and engineering time and debt.

Cohesive.

Maintain consistent user interfaces across all VitalSource products.

A vibrant scheme created to be accessible and flexible for any interface.

No, it is not pig latin. Our typefaces are chosen to be legible on all devices.

Reimagined for a better and consistent experience across all products.

We have a library of Watkins to choose from! Find a Watkins that fits your needs.

Hooray! Now you can check out the status of each component and the latest version.

Check your color contrast with this easy tool to make sure you pass WCAG guidelines.