Can I use the v0 by Vercel DESIGN.md with Cursor, Claude Code, or Codex?

Yes. Copy the DESIGN.md file into your project root and reference it in your agent rules. For Cursor, add it to .cursor/rules. For Claude Code, include it as CLAUDE.md. For Codex, add it to your system prompt. The agent will read it and apply the v0 by Vercel visual system to any UI it generates.

What is a DESIGN.md file?

A DESIGN.md file is a Markdown document that describes a product's visual design system — color palettes, typography, spacing, and component patterns — in a format that AI coding agents like Cursor, Claude Code, and Codex can read and follow when generating UI.

How do I add the v0 by Vercel DESIGN.md to my project?

Download or copy the DESIGN.md file from this page and place it in your project root. Then instruct your AI agent: "Read the DESIGN.md file in this project and follow its design system when generating UI." The agent will pick it up automatically in Cursor, Claude Code, Codex, and most modern AI coding tools.

v0 by Vercel DESIGN.md for AI coding agents

Dima Braven·May 8, 2026

AI UI generator. Dark, minimal, Vercel aesthetic.

ai-appdevtooldarkdesign-md

New to using DESIGN.md with v0?

Start with the full workflow guide for pasting this file into v0’s project instructions or prompt box, then come back here to copy the reference.

Read the DESIGN.md for v0 guide

CursorClaude CodeCodexGoogle Stitch

# Design Language: v0 by Vercel - Build Full-Stack Web Apps with AI

> Extracted from `https://v0.dev` on May 28, 2026
> 2767 elements analyzed

This document describes the complete design language of the website. It is structured for AI/LLM consumption — use it to faithfully recreate the visual design in any framework.

## Color Palette

### Primary Colors

| Role | Hex | RGB | HSL | Usage Count |
|------|-----|-----|-----|-------------|
| Primary | `#e2e8f0` | rgb(226, 232, 240) | hsl(214, 32%, 91%) | 11 |

### Neutral Colors

| Hex | HSL | Usage Count |
|-----|-----|-------------|
| `#d2d2d2` | hsl(0, 0%, 82%) | 2672 |
| `#020202` | hsl(0, 0%, 1%) | 1855 |
| `#222222` | hsl(0, 0%, 13%) | 847 |
| `#ffffff` | hsl(0, 0%, 100%) | 179 |
| `#f4f4f4` | hsl(0, 0%, 96%) | 83 |
| `#343434` | hsl(0, 0%, 20%) | 71 |
| `#4a5568` | hsl(218, 17%, 35%) | 64 |
| `#646464` | hsl(0, 0%, 39%) | 6 |
| `#2d3748` | hsl(218, 23%, 23%) | 5 |
| `#a0aec0` | hsl(214, 20%, 69%) | 3 |
| `#e2e2e2` | hsl(0, 0%, 89%) | 1 |
| `#959595` | hsl(0, 0%, 58%) | 1 |

### Background Colors

For makers

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Design System Overview

v0 is Vercel’s AI UI generator: describe a screen or upload a screenshot and it scaffolds working React and Next.js components you can keep editing in its browser IDE or ship straight to a Vercel deployment. Unlike a static component library, v0 regenerates UI on every prompt, so without an explicit style reference it drifts toward generic AI-default layouts.

v0’s own interface commits to a dark, near-black canvas with one crisp neutral-blue prompt box as the sole saturated element — the same restraint Vercel applies across its dashboard products. This DESIGN.md captures that palette, the gray scale it layers text and surfaces on top of, and the soft directional gradients v0 uses to separate panels instead of hard borders or shadows.

Step 1 — Paste into project instructions

Open a v0 project, go to its instructions or settings panel, and paste the full DESIGN.md so every screen generated in that project inherits the same tokens automatically.

Step 2 — Or drop it above a one-off prompt

For a single generation, paste the file directly above your prompt in v0’s prompt box and ask v0 to follow it exactly — no persistent project required.

Step 3 — Treat it as a constraint, not inspiration

Ask v0 to match the hex values and gradients exactly rather than "draw inspiration" from them. Left unconstrained, v0 defaults to generic SaaS styling even with a reference file attached.

What to study

How v0 uses a single neutral-blue prompt box as the one saturated element against an otherwise monochrome interface.
How the near-black and near-white neutral scale carries both dark and light surfaces without a second accent color.
How soft directional gradients soften panel edges instead of relying on borders or shadows for separation.

Browse more design and creative tools design systems or explore the full DESIGN.md directory.

Color System

Brand palette extracted from the design system. Click any swatch to copy the hex value.

Text / Primary

#e2e8f0

Accent

#d2d2d2

Surface / Background

#020202

Border / Subtle

#222222

Color Tokens

Typography Specimen

GeistSans

Display

2.8rem / 700 / 1.04

The quick brown fox

Heading H1

2rem / 700 / 1.1

The quick brown fox jumps

Heading H2

1.5rem / 600 / 1.15

The quick brown fox jumps over

Heading H3

1.125rem / 600 / 1.2

The quick brown fox jumps over the lazy

Body

1rem / 400 / 1.5

The quick brown fox jumps over the lazy dog

Small / Caption

0.75rem / 400 / 1.5

The quick brown fox jumps over the lazy dog and sat down.

Monospace

const primary = "System";

Layout & Spacing Tokens

Spacing Scale

space-14px

space-28px

space-312px

space-416px

space-624px

space-832px

space-1248px

space-1664px

Border Radius

radius-none0px

radius-sm4px

radius-md8px

radius-lg16px

radius-xl24px

radius-full9999px

Elevation & Shadow

Flatshadow-none

XSshadow-xs

SMshadow-sm

MDshadow-md

LGshadow-lg

XLshadow-xl

Use with AI Coding Agents

Copy one of these prompts into your AI coding agent to apply the v0 by Vercel design system to your project. The DESIGN.md file in your repo root is the source of truth.

# .cursor/rules (or DESIGN.md)
You are working in a project that uses the v0 by Vercel design system.

Read the DESIGN.md file in this project root and follow it strictly when generating UI.
Match the brand's exact colors, typography, spacing scale, and border radius.
Do not create generic Tailwind UI — apply the visual language from DESIGN.md.

Key rules:
- Use the defined color palette, not arbitrary hex values
- Apply the correct font family and weight scale
- Follow spacing tokens (4/8/12/16/24/32px scale)
- Match component patterns: buttons, cards, inputs, badges as specified