v0 — Design System

Name: v0 design system
Creator: Mozaika
Keywords: design system, design tokens, v0, light, tailwind

light · modern · high · tailwind · confidence 92%

The full decoded design system for v0: color roles, type scale, spacing, radii and paste-ready DESIGN.md / Tailwind / CSS exports.

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This is a static, crawlable rendering for search & AI engines. The interactive version — filters, live decode console, copy & export — is at https://mozaika.design/ds/v0.

Tokens

v0's decoded design system: background #FAFAFA, text #666666, accent #FF0000, link #FF0000, primary #FF0000; type scale h1 32px / h2 24px / body 14px; 4px spacing base; 6px base radius. The single interactive/action color is #171717 — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.

Color roles

Role	Value
bg	`#FAFAFA`
surface	`#F1F1F1`
border	`#E3E3E3`
text	`#666666`
text_muted	`#9E9E9E`
primary	`#FF0000`
accent	`#FF0000`
link	`#FF0000`
button_bg	`#171717`
button_text	`#FFFFFF`

Using these colors

Action color #171717 — the single interactive color; only on things you click or must notice, never large fills.
primary, accent, link are all #FF0000 — one role, not several (the action color).
accent #FF0000 — accent for emphasis — keep it rare on the page.

Typography

Heading: GeistSans
Body: GeistSans
h1: 32px
h2: 24px
body: 14px

Spacing

base unit: 4px
scale: 2px, 4px, 6px, 8px, 12px, 16px, 24px, 32px

Radii

base: 6px
button: 9999px

Per-section tokens (2)

Hero — light · bg #FAFAFA · text #C3C3C3 · 1 col · center
Gallery / Showcase — light · bg #FAFAFA · text #0A0A0A · 1 col · left

Export: DESIGN.md

# v0 — Design System

> light, modern, high, tailwind

## Colors

| Role | Value |
|------|-------|
| bg | `#FAFAFA` |
| surface | `#F1F1F1` |
| border | `#E3E3E3` |
| text | `#666666` |
| text_muted | `#9E9E9E` |
| primary | `#FF0000` |
| accent | `#FF0000` |
| link | `#FF0000` |
| button_bg | `#171717` |
| button_text | `#FFFFFF` |

**Using these colors**

- **Action color** `#171717` — the single interactive color; it appears only on things you click or must notice (buttons, key highlights), never on large fills or backgrounds.
- `primary`, `accent`, `link` are all `#FF0000` — one role, not several.
- **accent** `#FF0000` — accent for emphasis — keep it rare on the page.

## Typography

- Heading: **GeistSans** _(free fallback: Newsreader)_
- Body: **GeistSans** _(free fallback: Newsreader)_
- h1: 32px
- h2: 24px
- body: 14px

> **Fonts —** GeistSans may be proprietary — safe free fallback: Newsreader (Google Fonts).

## Spacing
- base unit: 4px
- scale: 2px, 4px, 6px, 8px, 12px, 16px, 24px, 32px

## Radius
- base: 6px
- button: 9999px

## Primary button
- bg `#171717` · text `#FFFFFF` · radius 9999px

## How to apply
Paste the Tailwind `@theme` (or CSS variables) as your base, then build each
section to its spec — verify every color, radius, and font against these tokens.

Export: Tailwind v4 (@theme)

@theme {
  /* action color #171717 — the one interactive color; buttons/links/emphasis only, never large fills. */
  --color-bg: #FAFAFA;
  --color-surface: #F1F1F1;
  --color-border: #E3E3E3;
  --color-text: #666666;
  --color-text-muted: #9E9E9E;
  --color-primary: #FF0000;  /* a brand color — but the call-to-action uses #171717, not this. */
  --color-accent: #FF0000;  /* accent for emphasis — keep it rare on the page. */
  --color-link: #FF0000;  /* inline text links and link-styled controls. */
  --color-button-bg: #171717;  /* primary-button fill — the main call-to-action color. */
  --color-button-text: #FFFFFF;
  /* fonts: GeistSans may be proprietary — safe free fallback: Newsreader (Google Fonts). */
  --font-heading: "GeistSans", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "GeistSans", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --text-h1: 32px;
  --text-h2: 24px;
  --text-body: 14px;
  --radius-base: 6px;
  --radius-button: 9999px;
  --spacing-1: 2px;
  --spacing-2: 4px;
  --spacing-3: 6px;
  --spacing-4: 8px;
  --spacing-5: 12px;
  --spacing-6: 16px;
  --spacing-7: 24px;
  --spacing-8: 32px;
}

Export: CSS variables

:root {
  /* action color #171717 — the one interactive color; buttons/links/emphasis only, never large fills. */
  --bg: #FAFAFA;
  --surface: #F1F1F1;
  --border: #E3E3E3;
  --text: #666666;
  --text-muted: #9E9E9E;
  --primary: #FF0000;  /* a brand color — but the call-to-action uses #171717, not this. */
  --accent: #FF0000;  /* accent for emphasis — keep it rare on the page. */
  --link: #FF0000;  /* inline text links and link-styled controls. */
  --button-bg: #171717;  /* primary-button fill — the main call-to-action color. */
  --button-text: #FFFFFF;
  --font-heading: "GeistSans", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "GeistSans", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 6px;
  --radius-button: 9999px;
}
/* fonts: GeistSans may be proprietary — safe free fallback: Newsreader (Google Fonts). */