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extracted · 37 artefacts

arc.net

Live extraction of https://arc.net — tokens, emitters, anatomy, icons, voice, motion, MCP server, AGENTS.md, prompt pack and a 13-chapter brand book. Generated with one command.

Download brand book PDFOpen in browser ↗Agent promptAll 37 files
7colors
Aaf0
vs design-extractor.com

They surface 4 sections per brand (DESIGN.md · Tailwind · CSS · Tokens). designlang ships 37 artefacts for arc.net and renders 12+ sections below.

See full comparison ↗
2,943 charsbrand book ↗
---
site: Arc from The Browser Company
url: "https://arc.net"
generated_at: "2026-05-21T11:46:53.867Z"
generator: "designlang@12.14.0"
intent: landing
material: flat
tokens:
  colors:
    primary: "#2702c2"
    secondary: "#fffadd"
    accent: "#3139fb"
    background: "#fffcec"
    foreground: "#000000"
  typography:
    sans: Marlin
    mono: ABC Favorit Mono
    base: 16
  spacing:
    base: 2
    scale: "[2, 32, 37, 48, 64, 72, 80, 90, 128, 150]"
  radii:
    sm: 4
    md: 8
    xl: 22
  shadows:
    md: "rgba(0, 0, 0, 0.1) 0px 5px 5px 0px"
---

# Overview

A **landing** page (heuristic confidence 0.29), dressed in **flat** material.

> "Arc is the Chrome  replacement I've been  waiting for."

The author writes in a **friendly** voice; headings tend to be **Title Case** case and **verbose**.

Reading order detected on the source: `nav → testimonial → content → sidebar → testimonial → testimonial → content → content → footer → sidebar`.

Source: <https://arc.net>.

# Colors

| role | hex | usage |
|---|---|---|
| primary | `#2702c2` | 26 |
| secondary | `#fffadd` | 54 |
| accent | `#3139fb` | 296 |
| background | `#fffcec` | — |
| foreground | `#000000` | — |

**Neutrals:** `#000000` · `#fffcec` · `#ffffff` · `#696969`

**Total unique colors detected:** 7.

# Typography

**Families**
- `Marlin` · 157 uses
- `Marlin Soft SQ` · 145 uses
- `Times` · 67 uses
- `InterVariable` · 46 uses

**Body size:** `16px` / line-height `normal`.

**Heading scale**
| level | size | weight | line-height |
|---|---|---|---|
| h1 | `45.51px` | `700` | `42.25px` |
| h2 | `32px` | `700` | `31.2px` |

# Layout

**Spacing base:** `2px` increments.
**Scale:** `2px` · `32px` · `37px` · `48px` · `64px` · `72px` · `80px` · `90px` · `128px` · `150px`

**Layout primitives:** 0 grid containers · 62 flex containers.

# Elevation and Depth

**Shadow scale**
- `md` — `rgba(0, 0, 0, 0.25) 0px 2px 8px 0px`
- `md` — `rgba(0, 0, 0, 0.1) 0px 5px 5px 0px`

**Z-index layers:** 5

# Shapes

**Radius scale**
- `sm` — `4px`
- `md` — `8px`
- `xl` — `22px`

# Components

**Detected patterns:** `buttons` · `links` · `navigation` · `footer`

**Anatomy**
| kind | variants | sizes | instances |
|---|---|---|---|
| button | — | large | 3 |

# Do's and Don'ts

**Do's**
- Use `download` as the primary verbs in CTAs — these dominate the source.
- Write headings in **Title Case** case, **verbose** length.
- Address the reader with the pronoun posture **you-only**.
- Stay inside the **flat** material — match shadow and radius habits.

**Don'ts**
- Don't 7 font families — consider limiting to 2 (heading + body).
- Don't 749 duplicate css declarations.

---
_Generated by [designlang](https://github.com/Manavarya09/design-extract) v12.14.0 from <https://arc.net>._
_Compatible with the DESIGN.md convention pioneered by [design-extractor.com](https://www.design-extractor.com) — extended with intent, material, voice, anatomy, and library detection._

Typography

Marlin
The quick brown fox jumps
display · 56px / 600
The quick brown fox jumps
headline · 36px / 500
The quick brown fox jumps
subhead · 22px / 400
The quick brown fox jumps
body · 16px / 400
The quick brown fox jumps
caption · 12px / 500 · uppercase

Voice

Tone, CTA verbs, headlines and pronoun stance — pulled from the live page.

tone · friendly · you-only

top CTA verbs

download×3

motionlang

Motion Lab

Every easing curve and duration arc.net ships, drawn and replayed live. Export them as Framer Motion presets from the motion.framer.js tab above.

Open full Motion Lab ↗

easing curves · 1

ease-in-out
ease

durations · 2

xs100ms
sm200ms

Component anatomy

Typed React stubs — variants, slots and props detected from clustered DOM patterns.

478 chars · TypeScript
// Auto-generated by designlang — component anatomy v2.
// Scaffolds. Wire into your token system; not a runtime library.

import * as React from 'react';

export interface ButtonProps {
  variant?: 'default';
  size?: 'large';
  leadingIcon?: React.ReactNode;
  children?: React.ReactNode;
}

export function Button({ variant = 'default', size = 'md', ...rest }: ButtonProps) {
  return React.createElement('button', { 'data-variant': variant, 'data-size': size, ...rest });
}

Icon system

SVG icon census — count, style mix, grid and stroke profile.

29
total icons
0
stroke-only
7
fill-only
1.17
avg stroke
—
library

Agent prompt

One self-contained system prompt with every arc.net token, anatomy slot and voice rule. Drop it into any AI agent and it builds in this brand without hallucinating.

paste into Claude · GPT · Cursor · Windsurf · v0
# You are building UI in the arc.net design system.

Source: https://arc.net
Extracted by designlang on 2026-05-21.

## Brand at a glance

- title         Arc from The Browser Company
- page intent   landing
- material      flat
- design grade  B

## Colour

- primary     #2702c2
- secondary   #fffadd
- accent      #3139fb
- neutrals    #000000 · #fffcec · #ffffff · #696969

## Typography

- families   Marlin · Marlin Soft SQ · Times · InterVariable
- weights    400 · 700 · 600 · 500 · 800
- base size  16px

## Spacing

- scale      2px · 32px · 37px · 48px · 64px · 72px · 80px · 90px · 128px · 150px · 155px · 160px

## Radii

- scale      4px · 8px · 22px

## Motion

- durations  100ms · 200ms

## Voice

- tone       friendly
- pronoun    you-only
- headings   Title Case
- CTA verbs  download

## Component anatomy

- button     variants: [object Object]  ·  slots: true · true · false

## Accessibility

- WCAG score 100% · failing pairs: 0

## Build rules

1. Use the colours above. **Never invent a new hex.** If you need a
   shade between two existing colours, derive it via HSL adjustment
   from the closest extracted colour and call out the derivation.
2. Use the extracted typography families. If you need a missing weight,
   pick the nearest available weight from the list and note it.
3. Snap spacing values to the scale above. No off-scale paddings or
   margins.
4. Snap border radii to the scale above.
5. Match the voice: same tone, same pronoun stance, same heading
   style. Reuse the listed CTA verbs.
6. Aim for WCAG AA contrast minimum. When the brand colours fail,
   prefer the foreground colour on the background colour rather than
   mid-tone neutrals.
7. Reuse component anatomy when it exists — do not invent novel
   structures for things the site already has.

## Available context files

designlang wrote these alongside this prompt. Reach for them when
you need ground truth:

- `<host>-design-tokens.json` — DTCG primitive · semantic · composite tokens
- `<host>-tailwind.config.js`  — Tailwind v3 config
- `<host>-tailwind-v4.css`     — Tailwind v4 `@theme` block
- `<host>-tokens.d.ts`         — TypeScript literal-union types
- `<host>-variables.css`       — bare CSS custom properties
- `<host>-reset.css`           — brand-aware base styles
- `<host>-gradients.css`       — `.grad-N` utility classes
- `<host>-anatomy.tsx`         — typed React component scaffolds
- `<host>-shadcn-theme.css`    — shadcn/ui theme
- `<host>-theme.js`            — React / Vue / Svelte theme object
- `<host>-mcp.json`            — MCP server payload (load via stdio)
- `<host>.brand.pdf`           — print-ready 13-chapter brand book

When you reference the system in code, prefer importing from these
files over hard-coding values.

## Output expectations

When asked to "build a pricing page" or "make a card" or any UI:

- Produce a single self-contained component file in the appropriate
  framework (React / Vue / Svelte — match what the user is using).
- Use Tailwind utility classes wired to the v4 `@theme` if Tailwind
  is available; otherwise use the CSS custom properties from
  `variables.css`.
- Write the headline copy using the brand voice; do not invent
  generic Lorem.
- Annotate any choice where you had to bend the system, with a
  one-line `// note:` comment explaining what and why.

## One-line install

```bash
npx designlang arc.net
```

Run this against any other URL to extract its system in the same
shape as the one above.

---

Generated by designlang. Re-extract by running `npx designlang arc.net`.
Drop this in any AI agent. It will build UI in the arc.net brand without hallucinating colours, fonts or component shapes.

MCP / Agent rules

The same payload the stdio MCP server hands to Claude Code, Cursor and Windsurf. Wire it into your editor and the agent answers brand-system questions with the actual extraction — not a guess.

How to wire MCP →npx designlang mcp --url https://arc.net
{
  "colors": {
    "all": [
      {
        "hex": "#000000",
        "rgb": {
          "r": 0,
          "g": 0,
          "b": 0,
          "a": 1
        },
        "hsl": {
          "h": 0,
          "s": 0,
          "l": 0
        },
        "count": 299,
        "contexts": [
          "text",
          "border",
          "background"
        ]
      },
      {
        "hex": "#3139fb",
        "rgb": {
          "r": 49,
          "g": 57,
          "b": 251,
          "a": 1
        },
        "hsl": {
          "h": 238,
          "s": 96,
          "l": 59
        },
        "count": 296,
        "contexts": [
          "background",
          "text",
          "border"
        ]
      },
      {
        "hex": "#fffcec",
        "rgb": {
          "r": 255,
          "g": 252,
          "b": 236,
          "a": 1
        },
        "hsl": {
          "h": 51,
          "s": 100,
          "l": 96
        },
        "count": 146,
        "contexts": [
          "background",
          "text",
          "border"
        ]
      },
      {
        "hex": "#ffffff",
        "rgb": {
          "r": 255,
          "g": 255,
          "b": 255,
          "a": 1
        },
        "hsl": {
          "h": 0,
          "s": 0,
          "l": 100
        },
        "count": 72,
        "contexts": [
          "text",
          "border",
          "background"
        ]
      },
      {
        "hex": "#fffadd",
        "rgb": {
          "r": 255,
          "g": 250,
          "b": 221,
          "a": 1
        },
        "hsl": {
          "h": 51,
          "s": 100,
          "l": 93
        },
        "count": 54,
        "contexts": [
          "text",
          "border"
        ]
      },
      {
        "hex": "#2702c2",
        "rgb": {
          "r": 39,
          "g": 2,
          "b": 194,
          "a": 1
        },
        "hsl": {
          "h": 252,
          "s": 98,
          "l": 38
        },
        "count": 26,
        "contexts": [
          "text",
          "border",
          "background"
        ]
      },
      {
        "hex": "#696969",
        "rgb": {
          "r": 105,
          "g": 105,
          "b": 105,
          "a": 1
        },
        "hsl": {
          "h": 0,
          "s": 0,
          "l": 41
        },
        "count": 20,
        "contexts": [
          "text",
          "border"
        ]
      }
    ]
  },
  "regions": [
    {
      "role": "nav",
      "tag": "nav",
      "bounds": {
        "x": 32,
        "y": 30,
        "w": 465.21875,
        "h": 36
      },
      "heading": null,
      "buttonCount": 0,
      "cardCount": 5,
      "className": "c-gqwkJN c-gqwkJN-ejCoEP-direction-row c-gqwkJN-jroWjL-align-center c-gqwkJN-awKDG-justify-start c-gqwkJN-kVNAnR-wrap-no-wrap c-gqwkJN-iPeWlq-gap-16"
    },
    {
      "role": "content",
      "tag": "main",
      "bounds": {
        "x": 0,
        "y": 90,
        "w": 1280,
        "h": 4739.984375
      },
      "heading": "Arc is the Chrome  replacement I've been  waiting for.",
      "buttonCount": 4,
      "cardCount": 0,
      "className": "c-gtTkau"
    },
    {
      "role": "content",
      "tag": "section",
      "bounds": {
        "x": 0,
        "y": 707,
        "w": 1280,
        "h": 820
      },
      "heading": "Arc is the Chrome  replacement I've been  waiting for.",
      "buttonCount": 4,
      "cardCount": 0,
      "className": "c-gujhdE"
    },
    {
      "role": "sidebar",
      "tag": "aside",
      "bounds": {
        "x": 0,
        "y": 1527,
        "w": 1280,
        "h": 67
      },
      "heading": null,
      "buttonCount": 0,
      "cardCount": 0,
      "className": "c-CPmpi"
    },
    {
      "role": "content",
      "tag": "section",
      "bounds": {
        "x": 0,
        "y": 1722,
        "w": 1280,
        "h": 972.828125
      },
      "heading": null,
      "buttonCount": 0,
      "cardCount": 0,
      "className": "c-OBxzD"
    },
    {
      "role": "content",
      "tag": "section",
      "bounds": {
        "x": 0,
        "y": 2694.828125,
        "w": 1280,
        "h": 933.828125
      },
      "heading": null,
      "buttonCount": 0,
      "cardCount": 0,
      "className": "c-OBxzD"
    },
    {
      "role": "content",
      "tag": "section",
      "bounds": {
        "x": 0,
        "y": 3628.65625,
        "w": 1280,
        "h": 933.828125
      },
      "heading": null,
      "buttonCount": 0,
      "cardCount": 0,
      "className": "c-OBxzD"
    },
    {
      "role": "content",
      "tag": "section",
      "bounds": {
        "x": 0,
        "y": 4562.484375,
        "w": 1280,
        "h": 139.5
      },
      "heading": null,
      "buttonCount": 0,
      "cardCount": 0,
      "className": "c-OBxzD"
    },
    {
      "role": "footer",
      "tag": "footer",
      "bounds": {
        "x": 0,
        "y": 5202.984375,
        "w": 1280,
        "h": 501.796875
      },
      "heading": null,
      "buttonCount": 2,
      "cardCount": 0,
      "className": "c-fQOTre c-fQOTre-iHvQKn-css"
    },
    {
      "role": "sidebar",
      "tag": "aside",
      "bounds": {
        "x": 0,
        "y": 5202.984375,
        "w": 1280,
        "h": 229.796875
      },
      "heading": null,
      "buttonCount": 2,
      "cardCount": 0,
      "className": "c-glZFUG c-glZFUG-iHvQKn-css"
    }
  ],
  "componentClusters": [
    {
      "kind": "button",
      "structuralHash": "button>svg",
      "instanceCount": 3,
      "variants": [
        {
          "css": {
            "background": "rgb(255, 255, 255)",
            "color": "rgb(39, 2, 194)",
            "padding": "8px 0px 8px 0px",
            "borderRadius": "10px",
            "border": "0px none rgb(39, 2, 194)",
            "fontSize": "14px",
            "fontWeight": "600"
          },
          "instanceCount": 2
        },
        {
          "css": {
            "background": "rgb(39, 2, 194)",
            "color": "rgb(255, 255, 255)",
            "padding": "8px 0px 8px 0px",
            "borderRadius": "10px",
            "border": "0px none rgb(255, 255, 255)",
            "fontSize": "14px",
            "fontWeight": "600"
          },
          "instanceCount": 1
        }
      ]
    }
  ],
  "accessibility": {
    "remediation": []
  },
  "cssHealth": {
    "sheets": [
      {
        "url": "https://arc.net/",
        "totalBytes": 437,
        "usedBytes": 419,
        "unusedBytes": 18,
        "unusedPercent": 4
      },
      {
        "url": "https://arc.net/",
        "totalBytes": 1301,
        "usedBytes": 0,
        "unusedBytes": 1301,
        "unusedPercent": 100
      },
      {
        "url": "https://arc.net/",
        "totalBytes": 213963,
        "usedBytes": 176165,
        "unusedBytes": 37798,
        "unusedPercent": 18
      },
      {
        "url": "https://arc.net/_next/static/css/df28c1bc1b1a6c7d.css",
        "totalBytes": 6309,
        "usedBytes": 0,
        "unusedBytes": 6309,
        "unusedPercent": 100
      },
      {
        "url": "https://arc.net/",
        "totalBytes": 40,
        "usedBytes": 40,
        "unusedBytes": 0,
        "unusedPercent": 0
      }
    ],
    "totalBytes": 222050,
    "usedBytes": 176624,
    "unusedBytes": 45426,
    "unusedPercent": 20,
    "importantCount": 2,
    "duplicates": 749,
    "vendorPrefixes": {
      "webkit": 26,
      "moz": 5,
      "ms": 3,
      "o": 3
    },
    "keyframes": [],
    "specificity": {
      "max": [
        0,
        3,
        2
      ],
      "average": [
        0,
        1.09,
        0.21
      ],
      "count": 222
    },
    "issues": [
      "2 !important rules",
      "749 duplicate declarations"
    ]
  }
}

Prompt pack

Paste-ready prompts pre-loaded with the arc.net system. Generators (v0, Lovable, Cursor, Claude Artifacts) and per-component recipes (button, card).

v0682 chars
Build a landing page with this exact visual language.
COLORS:
  #000000
  #3139fb
  #fffcec
  #ffffff
  #fffadd
  #2702c2
  #696969
FONTS: [object Object], [object Object], [object Object], [object Object]
SPACING: 2, 32, 37, 48, 64, 72, 80, 90
RADIUS: 4, 8, 22
SHADOWS: rgba(0, 0, 0, 0.25) 0px 2px 8px 0px | rgba(0, 0, 0, 0.1) 0px 5px 5px 0px
MATERIAL LANGUAGE: flat
VOICE: Tone: friendly · Headings: Title Case · CTA verbs: [object Object]
SECTIONS (in order):
- testimonial — heading: "Arc is the Chrome  replacement I've been  waiting for."
- sidebar
- testimonial
- testimonial
- footer
- sidebar
Use Tailwind. Match these tokens exactly. Keep the material language consistent.
Lovable588 chars
Clone the design language of this landing page and build a fresh equivalent.
Visual feel: flat. Tone: friendly · Headings: Title Case · CTA verbs: [object Object]
Primary palette: #000000, #3139fb, #fffcec, #ffffff, #fffadd.
Typography: [object Object], [object Object], [object Object], [object Object].
Corner radius vocabulary: 4, 8, 22.
Shadow vocabulary: rgba(0, 0, 0, 0.25) 0px 2px 8px 0px | rgba(0, 0, 0, 0.1) 0px 5px 5px 0px.
Page structure:
- testimonial — heading: "Arc is the Chrome  replacement I've been  waiting for."
- sidebar
- testimonial
- testimonial
- footer
- sidebar
Cursor633 chars
# Design brief
Page type: **landing**.
Material language: **flat**.
Voice: Tone: friendly · Headings: Title Case · CTA verbs: [object Object].
## Tokens
```ts
export const tokens = {
  colors: ['#000000', '#3139fb', '#fffcec', '#ffffff', '#fffadd', '#2702c2', '#696969'],
  fonts: ['[object Object]', '[object Object]', '[object Object]', '[object Object]'],
  radii: ['4', '8', '22'],
  shadows: ['rgba(0, 0, 0, 0.25) 0px 2px 8px 0px', 'rgba(0, 0, 0, 0.1) 0px 5px 5px 0px'],
};
```
## Sections
- testimonial — heading: "Arc is the Chrome  replacement I've been  waiting for."
- sidebar
- testimonial
- testimonial
- footer
- sidebar
Claude Artifacts689 chars
Create a React artifact that reproduces this brand's design language.
Page intent: landing.
Material language: flat.
Voice: Tone: friendly · Headings: Title Case · CTA verbs: [object Object].
Colors to use: #000000, #3139fb, #fffcec, #ffffff, #fffadd, #2702c2, #696969.
Fonts: [object Object], [object Object], [object Object], [object Object].
Radius vocabulary: 4, 8, 22.
Sections:
- testimonial — heading: "Arc is the Chrome  replacement I've been  waiting for."
- sidebar
- testimonial
- testimonial
- footer
- sidebar
Use Tailwind via CDN, lucide-react for icons, and keep the material language consistent across sections. Do not add extra decorative elements outside this vocabulary.
Recipe · Button1,098 chars
# Recipe: button
Build one button component that matches this brand.
Palette: #000000, #3139fb, #fffcec, #ffffff, #fffadd, #2702c2
Typography: [object Object], [object Object], [object Object], [object Object]
Material: flat
Signals: Radius: 4, 8, 22 · Shadows: rgba(0, 0, 0, 0.25) 0px 2px 8px 0px | rgba(0, 0, 0, 0.1) 0px 5px 5px 0px
## Anatomy (detected)
```json
{
  "kind": "button",
  "structuralHash": "button>svg",
  "instanceCount": 3,
  "variants": [
    {
      "css": {
        "background": "rgb(255, 255, 255)",
        "color": "rgb(39, 2, 194)",
        "padding": "8px 0px 8px 0px",
        "borderRadius": "10px",
        "border": "0px none rgb(39, 2, 194)",
        "fontSize": "14px",
        "fontWeight": "600"
      },
      "instanceCount": 2
    },
    {
      "css": {
        "background": "rgb(39, 2, 194)",
        "color": "rgb(255, 255, 255)",
        "padding": "8px 0px 8px 0px",
        "borderRadius": "10px",
        "border": "0px none rgb(255, 255, 255)",
        "fontSize": "14px",
        "fontWeight": "600"
      },
      "instanceCount": 1
    }
  ]
}
```

All artefacts

Every file designlang produced for arc.net — 37 in total. Download anything.

Brand book1 file
Spec3 files
Tokens & emitters7 files
Anatomy1 file
Voice1 file
Motion1 file
Icons1 file
Form states1 file
MCP / Agent rules1 file
Page intel5 files
Prompt pack5 files
Other10 files

Run designlang on your own URL.

Same 37-artefact depth as the arc.net extraction above. No signup, no API key.

npx designlang yoursite.comTry it live