minimalist-ui
nexu-io/open-design
Clean editorial-style interfaces with warm monochrome palette, typographic contrast, and flat bento grids.
What is minimalist-ui?
A design system protocol for building minimalist, document-style web interfaces inspired by premium workspace platforms. Use this when you need ultra-clean UIs with strong typographic hierarchy, warm monochrome colors, and zero decorative excess.
- Enforces warm monochrome color palette with muted pastel accents only
- Establishes premium typographic hierarchy using serif headings and geometric sans-serif body text
- Generates flat bento-grid layouts with crisp 8–12px border-radius and generous whitespace
- Bans generic design defaults: no gradients, heavy shadows, neon colors, or pill-shaped containers
- Provides component specifications for buttons, tags, accordions, and keystroke micro-UIs
- Includes subtle motion directives using transform and opacity for scroll entry and hover states
How to install minimalist-ui
npx skills add https://github.com/nexu-io/open-design --skill minimalist-ui- Understanding of CSS Grid and flexbox for bento layouts
- Familiarity with custom font stacks and typography systems
- Basic knowledge of CSS animations and transform properties
How to use minimalist-ui
- 1.1. Define your custom font stack using the recommended serif (Lyon Text, Newsreader, Playfair Display) and sans-serif (SF Pro Display, Geist Sans, Switzer) families.
- 2.2. Establish your color palette using the warm monochrome base (#FFFFFF, #F7F6F3, #111111) and muted pastel accents for semantic meaning only.
- 3.3. Build your layout using CSS Grid with asymmetrical bento-box card arrangements, applying 1px #EAEAEA borders and 24–40px padding.
- 4.4. Style typography with tight tracking (-0.02em to -0.04em) for headings and generous line-height (1.6) for body text in off-black (#111111 or #2F3437).
- 5.5. Implement component specs: solid black buttons (#111111) with 4–6px radius, pill-shaped tags with muted pastel backgrounds, and accordion separators using border-bottom only.
- 6.6. Add subtle motion using IntersectionObserver for fade-in on scroll (translateY + opacity over 600ms) and hover states with ultra-diffuse shadows (0 2px 8px rgba(0,0,0,0.04)).
- 7.7. Use Phosphor Icons (bold weight) or Radix UI Icons for consistent, slightly thicker-stroke iconography.
Use cases
- Designing a minimalist SaaS dashboard or workspace product interface
- Creating an editorial-focused content platform with strong typographic presence
- Building a documentation or knowledge-base UI with clean, readable hierarchy
- Prototyping a premium product interface that rejects generic SaaS trends
- Developing a portfolio or publication site with document-style aesthetics
- Product designers building minimalist interfaces
- Frontend engineers implementing design systems with editorial sensibilities
- Creative directors establishing brand guidelines for clean, typographic-first products
- Developers working on workspace or productivity tools
minimalist-ui FAQ
Primary sans-serif: SF Pro Display, Geist Sans, Helvetica Neue, or Switzer. Editorial serif for headings: Lyon Text, Newsreader, Playfair Display, or Instrument Serif. Monospace: Geist Mono, SF Mono, or JetBrains Mono. Avoid Inter, Roboto, and Open Sans.
No. The protocol strictly bans gradients, neon colors, and heavy drop shadows. Shadows must be ultra-diffuse (opacity < 0.05) or practically non-existent. Use whitespace and typography for visual hierarchy instead.
Warm monochrome base: white (#FFFFFF) or bone (#F7F6F3) backgrounds, charcoal text (#111111), ultra-light gray borders (#EAEAEA). Reserve muted pastels (pale red, blue, green, yellow) exclusively for tags, badges, and semantic accents.
Use asymmetrical CSS Grid for bento-box arrangements. Cards need exactly 1px #EAEAEA borders, 8–12px border-radius, and 24–40px internal padding. Constrain content width to max-w-4xl or max-w-5xl and use massive vertical padding (py-24 or py-32) between sections.
Use Phosphor Icons (bold weight) or Radix UI Icons for system icons. For illustrations, use monochromatic continuous-line sketches with a single muted pastel fill. Photography must be desaturated with warm tone; apply subtle grain overlays at very low opacity (0.04).
Full instructions (SKILL.md)
Source of truth, from nexu-io/open-design.
name: minimalist-ui description: | Clean editorial-style interfaces. Warm monochrome palette, typographic contrast, flat bento grids, muted pastels. No gradients, no heavy shadows. triggers:
- "minimalist ui"
- "editorial product UI"
- "linear style"
- "warm monochrome"
od:
mode: prototype
surface: web
platform: desktop
scenario: design
category: creative-direction
upstream: "https://github.com/Leonxlnx/taste-skill"
preview:
type: html
design_system:
requires: true
craft:
requires:
- typography
- color
- anti-ai-slop example_prompt: | Design a minimalist editorial product interface with warm monochrome color, crisp typography, flat structure, and no decorative excess.
Protocol: Premium Utilitarian Minimalism UI Architect
1. Protocol Overview
Name: Premium Utilitarian Minimalism & Editorial UI Description: An advanced frontend engineering directive for generating highly refined, ultra-minimalist, "document-style" web interfaces analogous to top-tier workspace platforms. This protocol strictly enforces a high-contrast warm monochrome palette, bespoke typographic hierarchies, meticulous structural macro-whitespace, bento-grid layouts, and an ultra-flat component architecture with deliberate muted pastel accents. It actively rejects standard generic SaaS design trends.
2. Absolute Negative Constraints (Banned Elements)
The AI must strictly avoid the following generic web development defaults:
- DO NOT use the "Inter", "Roboto", or "Open Sans" typefaces.
- DO NOT use generic, thin-line icon libraries like "Lucide", "Feather", or standard "Heroicons".
- DO NOT use Tailwind's default heavy drop shadows (e.g.,
shadow-md,shadow-lg,shadow-xl). Shadows must be practically non-existent or heavily customized to be ultra-diffuse and low opacity (< 0.05). - DO NOT use primary colored backgrounds for large elements or sections (e.g., no bright blue, green, or red hero sections).
- DO NOT use gradients, neon colors, or 3D glassmorphism (beyond subtle navbar blurs).
- DO NOT use
rounded-full(pill shapes) for large containers, cards, or primary buttons. - DO NOT use emojis anywhere in code, markup, text content, headings, or alt text. Replace with proper icons or clean SVG primitives.
- DO NOT use generic placeholder names like "John Doe", "Acme Corp", or "Lorem Ipsum". Use realistic, contextual content.
- DO NOT use AI copywriting clichés: "Elevate", "Seamless", "Unleash", "Next-Gen", "Game-changer", "Delve". Write plain, specific language.
3. Typographic Architecture
The interface must rely on extreme typographic contrast and premium font selection to establish an editorial feel.
- Primary Sans-Serif (Body, UI, Buttons): Use clean, geometric, or system-native fonts with character. Target:
font-family: 'SF Pro Display', 'Geist Sans', 'Helvetica Neue', 'Switzer', sans-serif. - Editorial Serif (Hero Headings & Quotes): Target:
font-family: 'Lyon Text', 'Newsreader', 'Playfair Display', 'Instrument Serif', serif. Apply tight tracking (letter-spacing: -0.02emto-0.04em) and tight line-height (1.1). - Monospace (Code, Keystrokes, Meta-data): Target:
font-family: 'Geist Mono', 'SF Mono', 'JetBrains Mono', monospace. - Text Colors: Body text must never be absolute black (
#000000). Use off-black/charcoal (#111111or#2F3437) with a generousline-heightof1.6for legibility. Secondary text should be muted gray (#787774).
4. Color Palette (Warm Monochrome + Spot Pastels)
Color is a scarce resource, utilized only for semantic meaning or subtle accents.
- Canvas / Background: Pure White
#FFFFFFor Warm Bone/Off-White#F7F6F3/#FBFBFA. - Primary Surface (Cards):
#FFFFFFor#F9F9F8. - Structural Borders / Dividers: Ultra-light gray
#EAEAEAorrgba(0,0,0,0.06). - Accent Colors: Exclusively use highly desaturated, washed-out pastels for tags, inline code backgrounds, or subtle icon backgrounds.
- Pale Red:
#FDEBEC(Text:#9F2F2D) - Pale Blue:
#E1F3FE(Text:#1F6C9F) - Pale Green:
#EDF3EC(Text:#346538) - Pale Yellow:
#FBF3DB(Text:#956400)
- Pale Red:
5. Component Specifications
- Bento Box Feature Grids:
- Utilize asymmetrical CSS Grid layouts.
- Cards must have exactly
border: 1px solid #EAEAEA. - Border-radius must be crisp:
8pxor12pxmaximum. - Internal padding must be generous (e.g.,
24pxto40px).
- Primary Call-To-Action (Buttons):
- Solid background
#111111, text#FFFFFF. - Slight border-radius (
4pxto6px). No box-shadow. - Hover state should be a subtle color shift to
#333333or a micro-scaletransform: scale(0.98).
- Solid background
- Tags & Status Badges:
- Pill-shaped (
border-radius: 9999px), very small typography (text-xs), uppercase with wide tracking (letter-spacing: 0.05em). - Background must use the defined Muted Pastels.
- Pill-shaped (
- Accordions (FAQ):
- Strip all container boxes. Separate items only with a
border-bottom: 1px solid #EAEAEA. - Use a clean, sharp
+and-icon for the toggle state.
- Strip all container boxes. Separate items only with a
- Keystroke Micro-UIs:
- Render shortcuts as physical keys using
<kbd>tags:border: 1px solid #EAEAEA,border-radius: 4px,background: #F7F6F3, using the Monospace font.
- Render shortcuts as physical keys using
- Faux-OS Window Chrome:
- When mocking up software, wrap it in a minimalist container with a white top bar containing three small, light gray circles (replicating macOS window controls).
6. Iconography & Imagery Directives
- System Icons: Use "Phosphor Icons (Bold or Fill weights)" or "Radix UI Icons" for a technical, slightly thicker-stroke aesthetic. Standardize stroke width across all icons.
- Illustrations: Monochromatic, rough continuous-line ink sketches on a white background, featuring a single offset geometric shape filled with a muted pastel color.
- Photography: Use high-quality, desaturated images with a warm tone. Apply subtle overlays (
opacity: 0.04warm grain) to blend photos into the monochrome palette. Never use oversaturated stock photos. Use reliable placeholders likehttps://picsum.photos/seed/{context}/1200/800when real assets are unavailable. - Hero & Section Backgrounds: Sections should not feel empty and flat. Use subtle full-width background imagery at very low opacity, soft radial light spots (
radial-gradientwith warm tones atopacity: 0.03), or minimal geometric line patterns to add depth without breaking the clean aesthetic.
7. Subtle Motion & Micro-Animations
Motion should feel invisible — present but never distracting. The goal is quiet sophistication, not spectacle.
- Scroll Entry: Elements fade in gently as they enter the viewport. Use
translateY(12px)+opacity: 0resolving over600mswithcubic-bezier(0.16, 1, 0.3, 1). UseIntersectionObserver, neverwindow.addEventListener('scroll'). - Hover States: Cards lift with an ultra-subtle shadow shift (
box-shadowtransitioning from0 0 0to0 2px 8px rgba(0,0,0,0.04)over200ms). Buttons respond withscale(0.98)on:active. - Staggered Reveals: Lists and grid items enter with a cascade delay (
animation-delay: calc(var(--index) * 80ms)). Never mount everything at once. - Background Ambient Motion: Optional. A single, very slow-moving radial gradient blob (
animation-duration: 20s+,opacity: 0.02-0.04) drifting behind hero sections. Must be applied to aposition: fixed; pointer-events: nonelayer. Never on scrolling containers. - Performance: Animate exclusively via
transformandopacity. No layout-triggering properties (top,left,width,height). Usewill-change: transformsparingly and only on actively animating elements.
8. Execution Protocol
When tasked with writing frontend code (HTML, React, Tailwind, Vue) or designing a layout:
- Establish the macro-whitespace first. Use massive vertical padding between sections (e.g.,
py-24orpy-32in Tailwind). - Constrain the main typography content width to
max-w-4xlormax-w-5xl. - Apply the custom typographic hierarchy and monochromatic color variables immediately.
- Ensure every card, divider, and border adheres strictly to the
1px solid #EAEAEArule. - Add scroll-entry animations to all major content blocks.
- Ensure sections have visual depth through imagery, ambient gradients, or subtle textures — no empty flat backgrounds.
- Provide code that reflects this high-end, uncluttered, editorial aesthetic natively without requiring manual adjustments.
Related skills
More from nexu-io/open-design and the wider catalog.

minimax-docx
Professional DOCX document creation and editing using OpenXML SDK.

minimax-pdf
Generate branded PDFs with token-based design system and 15 cover styles.

mockup-device-3d
Embed real HTML on 3D iPhone and MacBook screens with glass refraction and 360° turntable.

nanobanana-ppt
AI-powered PPT generation with document analysis and styled images via the NanoBanana stack.

od-contribute
One-click contribution flow for OpenDesign—ship Skills, translate docs, or report bugs without coding.

paywall-upgrade-cro
Design and optimize upgrade screens, paywalls, and upsell modals for SaaS conversion.