Reference

UX/UI Design

A reference for creating effective user interfaces, covering foundational principles, visual design, accessibility, research, and testing.

Reference·Difficulty: Intermediate·18 chapters·Updated Apr 19, 2026

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About

A reference for creating effective user interfaces.

Contents

ChapterTopicDescription
01Foundational PrinciplesCore UX pillars, user-centered design, golden rules
02Laws of UXJakob's Law, Hick's Law, Fitts's Law, Gestalt principles
03Visual DesignHierarchy, F/Z patterns, alignment, balance
04TypographyType scale, line height, font pairing, best practices
05Color Theory60-30-10 rule, psychology, palettes, contrast
06Layout & Spacing8-point grid, spacing tokens, whitespace, patterns
07Design SystemsAtomic design, tokens, component states, governance
08Responsive & MobileMobile-first, breakpoints, touch targets, thumb zones
09Interaction DesignFeedback, animation, microinteractions, loading states
10Form DesignLayout, validation, error messages, multi-step forms
11NavigationTop nav, side nav, tab bars, breadcrumbs, mega menus
12AccessibilityWCAG 2.2, POUR principles, ARIA, testing
13User ResearchMethods, interviews, card sorting, personas
14Usability TestingTest types, task writing, metrics, analysis
15PerformanceCore Web Vitals, perceived speed, optimization
16Dark PatternsPatterns to avoid, ethical alternatives
17AI & PersonalizationAI in UX, conversational UI, ethics
18ChecklistsPre-design, review, component, launch checklists

Resources

Books

  • Don't Make Me Think by Steve Krug
  • The Design of Everyday Things by Don Norman
  • Laws of UX by Jon Yablonski
  • Refactoring UI by Adam Wathan & Steve Schoger

Websites

Tools

  • Design: Figma, Sketch, Adobe XD
  • Prototyping: Figma, Framer, ProtoPie
  • User Testing: Maze, UserTesting, Lookback
  • Accessibility: axe, WAVE, Lighthouse