Apple Human Interface Guidelines — Quick Reference

When to Use This Skill

Use when:

• Making visual design decisions (colors, backgrounds, typography)
• Reviewing UI for HIG compliance
• Answering "Should I use a dark background?"
• Choosing between design options
• Defending design decisions to stakeholders
• Quick lookups for common design questions

Related Skills

• Use axiom-hig-ref for comprehensive details and code examples
• Use axiom-liquid-glass for iOS 26 material design implementation and version-conditional design (supporting both pre-Liquid Glass and Liquid Glass in the same app)
• Use axiom-liquid-glass-ref for iOS 26 app-wide adoption guide with backward compatibility strategy
• Use axiom-accessibility-diag for accessibility troubleshooting