Skill UI

This comprehensive guide outlines the core principles for implementing effective and aesthetically pleasing dark mode across multiple platforms. It covers critical rules such as avoiding pure black backgrounds, defining elevation using lightness contrast, and utilizing desaturated accent colors to reduce eye strain. Detailed code examples for Web (CSS), iOS (SwiftUI), and Flutter are provided, ensuring a premium, high-fidelity user experience.

This skill analyzes React, Tailwind, or HTML interfaces against a comprehensive design rubric (74 rules). It scores the UI from 0-100, identifying common flaws that make interfaces look generic, unfinished, or "AI-generated"—such as mixed corner radii, poor color discipline, or missing states. It provides a prioritized list of actionable fixes to ensure a polished, professional, and user-centric experience before deployment.

A comprehensive framework for creating structured, clean, and highly accessible design systems. It defines foundational constraints, typography scales, color tokens, and component-level rules, ensuring consistency and usability across engineering and design teams. Focuses on achieving WCAG 2.2 AA compliance and implementation readiness.