Human Interface Guidelines (HIG) Expert (2026 Edition)
English
Orchestration & Integration
Connects and orchestrates with relevant domain skills like brainstorming, zero-to-prod-orchestrator, and project-context-mapper to ensure cohesive execution.
Description
Applies Human Interface Guidelines (HIG) principles to web and mobile UI/UX designs. Covers the core triad (Hierarchy, Harmony, Consistency), Apple's HIG 2025 updates, Google Material Design 3, spatial design for Apple Vision Pro, and modern accessibility requirements.
Trigger Conditions
- Reviewing or critiquing a UI design for HIG violations.
- Making design decisions about typography scale, color usage, or layout hierarchy.
- Designing for multiple platforms (iOS, Android, web) with consistent patterns.
- Evaluating whether a UI feels "premium" or "amateur".
- Ensuring UI components follow platform conventions (button placement, nav patterns).
The Core HIG Triad
1. Hierarchy — Guide the User's Eye
Visual hierarchy controls where the user looks first and how they navigate information.
Typography Hierarchy:
/* Clear hierarchy with size and weight — 4 levels max */
.h1 { font-size: 2.25rem; font-weight: 700; letter-spacing: -0.02em; }
.h2 { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }
.h3 { font-size: 1.25rem; font-weight: 600; }
.body { font-size: 1rem; font-weight: 400; }
.caption { font-size: 0.875rem; font-weight: 400; color: var(--color-text-muted); }
Spatial Hierarchy (Z-axis):
- Surface level: cards, panels —
shadow-sm - Raised level: dropdowns, tooltips —
shadow-md - Overlay level: modals, drawers —
shadow-xl - Floating level: toasts, command palette —
shadow-2xl
Color Hierarchy:
- Primary action: brand color (1 per screen)
- Secondary action: muted/ghost variant
- Destructive action: red — far from primary CTA
2. Harmony — Visual Cohesion
All elements should feel like they belong to the same family.
Spacing Scale (8pt Grid):
4px → xs gaps (icon padding, tight list items)
8px → sm (between related elements)
16px → md (card padding, section spacing)
24px → lg (between sections)
32px → xl (between major blocks)
48px → 2xl (page-level separation)
Border Radius Consistency:
- Small elements (badges, chips):
rounded-fullorrounded-sm - Medium elements (inputs, buttons):
rounded-md - Large elements (cards, modals):
rounded-xl - Never mix
rounded-nonewithrounded-2xlin the same screen
Color Harmony:
Analogous: Brand + ±30° hue neighbors (natural, calm)
Complementary: Brand + 180° (high contrast, CTAs)
Triadic: Brand + 120°/240° (vibrant, use sparingly)
Monochromatic: Single hue, varying lightness (professional)
3. Consistency — Reduce Cognitive Load
Users should never wonder "how does this work?" — patterns should be predictable.
Platform Conventions (Web):
- Primary CTA: top-right (desktop nav) or bottom-center (mobile)
- Destructive actions: always require confirmation dialogs
- Form submission: Enter key submits, Escape cancels/closes
- Navigation: Breadcrumbs for 3+ depth levels
- Empty states: Always provide an actionable CTA
Component Consistency Checklist:
- All buttons use the same radius (
rounded-mdeverywhere). - All modals have the same padding (
p-6) and close behavior (Escape key). - All form inputs have the same height (
h-9) and focus ring style. - All error messages appear in the same position (below the input field).
- All tables use the same row height and hover style.
Apple HIG 2025 Updates
Spatial Design (Vision Pro)
- Use depth as an organizational tool — foreground elements are more important.
- Avoid placing interactive elements outside comfortable viewing angles (±45° center).
- Use glass morphism (
backdrop-blur) for panels to maintain spatial context. - Prefer indirect input (gaze + pinch) over precise pointer interactions.
iOS 18 Design Patterns
- Liquid Glass: Full glass-morphism on navigation bars and toolbars.
- Adaptive layouts: Single codebase adapts from iPhone to iPad to Mac.
- Symbols: SF Symbols 6 with variable rendering (multicolor, hierarchical).
- Menu patterns: Context menus replace modal bottom sheets where possible.
Material Design 3 (Google)
Dynamic Color (M3)
Generate a full color system from a single seed color:
import { argbFromHex, themeFromSourceColor } from '@material/material-color-utilities';
const theme = themeFromSourceColor(argbFromHex('#6750A4'));
// Generates: primary, secondary, tertiary, error + all tonal palettes
Key M3 Components
- Cards: 3 variants — Elevated (shadow), Filled (surface variant), Outlined (border)
- Chips: Filter, Input, Suggestion, Assist — each with distinct purpose
- Navigation: Bottom bar (≤5 items), Rail (tablet), Drawer (desktop)
HIG Audit Protocol
When reviewing a design, check:
- Hierarchy: Is the primary action immediately obvious? Is text contrast sufficient?
- Harmony: Is spacing consistent (8pt grid)? Are border radii uniform?
- Consistency: Do interactive elements follow platform conventions?
- Accessibility: Does it pass WCAG 2.2? Are touch targets ≥ 24×24px?
- Platform fit: Does it feel native to its target platform?
Bahasa Indonesia
Integrasi Orkestrasi
Terhubung dan mengorkestrasi skill domain yang relevan seperti brainstorming, zero-to-prod-orchestrator, dan project-context-mapper untuk memastikan eksekusi yang kohesif.
Deskripsi
Menerapkan prinsip Human Interface Guidelines (HIG) pada desain UI/UX web dan mobile. Mencakup triad inti (Hierarchy, Harmony, Consistency), pembaruan Apple HIG 2025, Google Material Design 3, desain spasial untuk Apple Vision Pro, dan persyaratan aksesibilitas modern.
Kondisi Pemicu
- Meninjau atau mengkritik desain UI untuk pelanggaran HIG.
- Membuat keputusan desain tentang skala tipografi, penggunaan warna, atau hierarki tata letak.
- Merancang untuk berbagai platform (iOS, Android, web) dengan pola yang konsisten.
- Mengevaluasi apakah UI terasa "premium" atau "amatir".
- Memastikan komponen UI mengikuti konvensi platform.
Triad HIG Inti
1. Hierarki — Pandu Mata Pengguna
Hierarki visual mengontrol di mana pengguna melihat pertama dan bagaimana mereka menavigasi informasi.
- Hierarki tipografi: 4 level maksimal — H1 (2.25rem, 700), H2 (1.5rem, 600), H3 (1.25rem, 600), body (1rem, 400).
- Hierarki spasial (sumbu-Z): Surface (shadow-sm), Raised (shadow-md), Overlay (shadow-xl), Floating (shadow-2xl).
- Hierarki warna: Satu warna brand per layar, aksi sekunder dengan varian muted/ghost, aksi destruktif dengan merah — jauh dari CTA utama.
2. Harmoni — Kohesi Visual
Semua elemen harus terasa seperti milik keluarga yang sama.
- Skala spacing (grid 8pt): 4px, 8px, 16px, 24px, 32px, 48px.
- Konsistensi border radius: Elemen kecil (rounded-full), sedang (rounded-md), besar (rounded-xl). Jangan campurkan rounded-none dengan rounded-2xl di layar yang sama.
- Harmoni warna: Analogis, komplementer, triadik, atau monokromatik — pilih satu skema dan patuhi.
3. Konsistensi — Kurangi Beban Kognitif
Pengguna tidak pernah bertanya-tanya "bagaimana cara ini bekerja?" — pola harus dapat diprediksi.
- Konvensi platform: CTA utama di kanan atas (nav desktop) atau bawah tengah (mobile).
- Aksi destruktif selalu memerlukan dialog konfirmasi.
- Semua komponen sejenis menggunakan radius, padding, dan perilaku yang sama.
Pembaruan Apple HIG 2025
Desain Spasial (Vision Pro)
Gunakan kedalaman sebagai alat organisasi. Gunakan glass-morphism (backdrop-blur) untuk panel. Hindari elemen interaktif di luar sudut pandang yang nyaman.
Pola iOS 18
Liquid Glass untuk navigation bar. Tata letak adaptif dari iPhone ke iPad ke Mac. SF Symbols 6 dengan rendering variabel.
Material Design 3 (Google)
Warna Dinamis (M3)
Hasilkan sistem warna penuh dari satu warna seed menggunakan @material/material-color-utilities.
Komponen M3 Utama
- Kartu: Elevated (bayangan), Filled (varian permukaan), Outlined (batas).
- Chip: Filter, Input, Saran, Bantuan — masing-masing dengan tujuan berbeda.
- Navigasi: Bottom bar (≤5 item), Rail (tablet), Drawer (desktop).
Protokol Audit HIG
Saat meninjau desain, periksa: Hierarki (apakah aksi utama langsung terlihat jelas?), Harmoni (apakah spacing konsisten?), Konsistensi (apakah elemen interaktif mengikuti konvensi platform?), Aksesibilitas (lulus WCAG 2.2? Target sentuh ≥ 24×24px?), dan Kesesuaian Platform (apakah terasa native untuk platform target?).