Practical tools for frontend, accessibility, and product-facing workflows.

Sola Studio creates public tools around frontend implementation, accessibility, UX clarity, and practical product workflows. Some are open source, while others are maintained as public apps.

Color contrast checker with Tailwind palette grid

Open-source toolLive / Open source

Contrastly

Open-source Tailwind Color Contrast Checker

A practical color contrast checker for Tailwind CSS palettes, custom hex values, and semantic color token decisions.

Purpose

Built to help frontend developers and designers check WCAG AA / AAA contrast results quickly while working on UI color decisions.

Who it is for

Frontend developers, designers, accessibility reviewers, and teams working with Tailwind CSS or semantic color systems.

Highlights

Checks WCAG AA / AAA contrast results for Tailwind colors and custom hex values
Supports semantic foreground and background color token decisions
Designed with semantic HTML, keyboard interaction, reduced-motion support, and screen reader-aware UI patterns
Released as open source through Sola Studio

Open SourceWeb AccessibilityTailwind CSSWCAGFrontend

Open tool Source code

Public appLive app

Promotee

Interview Flashcard Practice App

A public interview flashcard app designed to support clearer spoken interview practice and a more structured preparation flow.

Purpose

Built to help users practice answers out loud, review prompts at their own pace, and reduce friction in interview preparation.

Who it is for

Job seekers, non-native English speakers, career changers, and anyone who wants a simple way to practice interview answers aloud.

Highlights

Supports spoken interview practice with prompt-based flashcards
Designed around a calm, focused preparation flow
Includes accessibility-aware UI decisions such as keyboard navigation, screen reader considerations, and motion control
Used as a public app, with ongoing room for future refinement

Public AppInterview PracticeAccessibility-aware UIKeyboard NavigationProduct UX

Open tool Notes

Practical tools for frontend, accessibility, and product-facing workflows.

Sola Studio creates public tools around frontend implementation, accessibility, UX clarity, and practical product workflows. Some are open source, while others are maintained as public apps.

Open-source toolLive / Open source

Contrastly

Open-source Tailwind Color Contrast Checker

A practical color contrast checker for Tailwind CSS palettes, custom hex values, and semantic color token decisions.

Purpose

Built to help frontend developers and designers check WCAG AA / AAA contrast results quickly while working on UI color decisions.

Who it is for

Frontend developers, designers, accessibility reviewers, and teams working with Tailwind CSS or semantic color systems.

Highlights

Checks WCAG AA / AAA contrast results for Tailwind colors and custom hex values
Supports semantic foreground and background color token decisions
Designed with semantic HTML, keyboard interaction, reduced-motion support, and screen reader-aware UI patterns
Released as open source through Sola Studio

Open SourceWeb AccessibilityTailwind CSSWCAGFrontend

Open tool Source code

Public appLive app

Promotee

Interview Flashcard Practice App

A public interview flashcard app designed to support clearer spoken interview practice and a more structured preparation flow.

Purpose

Built to help users practice answers out loud, review prompts at their own pace, and reduce friction in interview preparation.

Who it is for

Job seekers, non-native English speakers, career changers, and anyone who wants a simple way to practice interview answers aloud.

Highlights

Supports spoken interview practice with prompt-based flashcards
Designed around a calm, focused preparation flow
Includes accessibility-aware UI decisions such as keyboard navigation, screen reader considerations, and motion control
Used as a public app, with ongoing room for future refinement

Public AppInterview PracticeAccessibility-aware UIKeyboard NavigationProduct UX

Open tool Notes