MozaikaDesign system

Decagon — Design System

light · modern · medium · custom · confidence 92%

The full decoded design system for Decagon: 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/decagon.

Tokens

Decagon's decoded design system: background #FFFFFF, text #0A0A0B, accent #5754FF, link #5754FF, primary #4643CC; type scale h1 72px / h2 40px / body 16px; 4px spacing base; 16px base radius. The single interactive/action color is #5754FF — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.

Color roles

RoleValue
bg#FFFFFF
surface#F0F0F0
border#DADADA
text#0A0A0B
text_muted#676767
primary#4643CC
accent#5754FF
link#5754FF
secondary#5FC4FF
button_bg#5754FF
button_text#FFFFFF

Using these colors

Typography

Spacing

Radii

Shadow

rgba(255, 255, 255, 0) 0px 0px 16px 0px

Per-section tokens (11)

Export: DESIGN.md

# Decagon — Design System

> light, modern, medium, custom

## Colors

| Role | Value |
|------|-------|
| bg | `#FFFFFF` |
| surface | `#F0F0F0` |
| border | `#DADADA` |
| text | `#0A0A0B` |
| text_muted | `#676767` |
| primary | `#4643CC` |
| accent | `#5754FF` |
| link | `#5754FF` |
| secondary | `#5FC4FF` |
| button_bg | `#5754FF` |
| button_text | `#FFFFFF` |

**Using these colors**

- **Action color** `#5754FF` — the single interactive color; it appears only on things you click or must notice (buttons, key highlights), never on large fills or backgrounds.
- `accent`, `link`, `button_bg` are all `#5754FF` — one role, not several (your action color).
- **accent** `#5754FF` — THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed.
- **primary** `#4643CC` — a brand color — but the call-to-action uses #5754FF, not this.
- **secondary** `#5FC4FF` — optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two.

## Typography

- Heading: **FK Grotesk Neue** _(free fallback: Newsreader)_
- Body: **Circularxx** _(free fallback: Newsreader)_
- h1: 72px
- h2: 40px
- body: 16px

> **Fonts —** FK Grotesk Neue may be proprietary — safe free fallback: Newsreader (Google Fonts). Circularxx may be proprietary — safe free fallback: Newsreader (Google Fonts).

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

## Radius
- base: 16px
- button: 9999px

## Primary button
- bg `#5754FF` · 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 #5754FF — the one interactive color; buttons/links/emphasis only, never large fills. */
  --color-bg: #FFFFFF;
  --color-surface: #F0F0F0;
  --color-border: #DADADA;
  --color-text: #0A0A0B;
  --color-text-muted: #676767;
  --color-primary: #4643CC;  /* a brand color — but the call-to-action uses #5754FF, not this. */
  --color-accent: #5754FF;  /* THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed. */
  --color-link: #5754FF;  /* inline text links — shares the action color. */
  --color-secondary: #5FC4FF;  /* optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two. */
  --color-button-bg: #5754FF;  /* primary-button fill — the main call-to-action color. */
  --color-button-text: #FFFFFF;
  /* fonts: FK Grotesk Neue may be proprietary — safe free fallback: Newsreader (Google Fonts). Circularxx may be proprietary — safe free fallback: Newsreader (Google Fonts). */
  --font-heading: "FK Grotesk Neue", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Circularxx", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --text-h1: 72px;
  --text-h2: 40px;
  --text-body: 16px;
  --radius-base: 16px;
  --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 #5754FF — the one interactive color; buttons/links/emphasis only, never large fills. */
  --bg: #FFFFFF;
  --surface: #F0F0F0;
  --border: #DADADA;
  --text: #0A0A0B;
  --text-muted: #676767;
  --primary: #4643CC;  /* a brand color — but the call-to-action uses #5754FF, not this. */
  --accent: #5754FF;  /* THE accent / action color — interactive & must-notice only (buttons, links, focus, one key highlight); never large fills or backgrounds. Scarcity is what makes it read as designed. */
  --link: #5754FF;  /* inline text links — shares the action color. */
  --secondary: #5FC4FF;  /* optional secondary accent — LOW decode confidence; use rarely (a status color or a single decorative moment) or omit it entirely. Prefer one accent unless the reference clearly shows two. */
  --button-bg: #5754FF;  /* primary-button fill — the main call-to-action color. */
  --button-text: #FFFFFF;
  --font-heading: "FK Grotesk Neue", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Circularxx", "Newsreader", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 16px;
  --radius-button: 9999px;
}
/* fonts: FK Grotesk Neue may be proprietary — safe free fallback: Newsreader (Google Fonts). Circularxx may be proprietary — safe free fallback: Newsreader (Google Fonts). */