Caffeine UI — Design System

Name: Caffeine UI design system
Creator: Mozaika
Keywords: design system, design tokens, Caffeine UI, light, react

light · modern · medium · react · confidence 95%

The Caffeine theme — a cohesive shadcn/ui design system (measured tokens).

Open in Mozaika →

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/caffeine-ui.

Tokens

Caffeine UI's decoded design system: background #F9F9F9, text #202020, accent #644A40, link #644A40, primary #644A40; type scale h1 36px / h2 24px / body 14px; 4px spacing base; 8px base radius. The single interactive/action color is #644A40 — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.

Color roles

Role	Value
bg	`#F9F9F9`
surface	`#EBEBEB`
border	`#D8D8D8`
text	`#202020`
text_muted	`#727272`
primary	`#644A40`
accent	`#644A40`
link	`#644A40`
button_bg	`#644A40`
button_text	`#FFFFFF`

Using these colors

Action color #644A40 — the single interactive color; only on things you click or must notice, never large fills.
primary, accent, link, button_bg are all #644A40 — one role, not several (the action color).
accent #644A40 — 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.

Typography

Heading: Inter
Body: Inter
h1: 36px
h2: 24px
body: 14px

Spacing

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

Radii

base: 8px
button: 8px

Export: DESIGN.md

# Caffeine UI — Design System

> light, modern, medium, react

The Caffeine theme — a cohesive shadcn/ui design system (measured tokens).

## Colors

| Role | Value |
|------|-------|
| bg | `#F9F9F9` |
| surface | `#EBEBEB` |
| border | `#D8D8D8` |
| text | `#202020` |
| text_muted | `#727272` |
| primary | `#644A40` |
| accent | `#644A40` |
| link | `#644A40` |
| button_bg | `#644A40` |
| button_text | `#FFFFFF` |

**Using these colors**

- **Action color** `#644A40` — 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`, `button_bg` are all `#644A40` — one role, not several (your action color).
- **accent** `#644A40` — 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.

## Typography

- Heading: **Inter**
- Body: **Inter**
- h1: 36px
- h2: 24px
- body: 14px

> **Fonts —** Inter — free, on Google.

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

## Radius
- base: 8px
- button: 8px

## Primary button
- bg `#644A40` · text `#FFFFFF` · radius 8px

## 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.

---

> **Decoded with Mozaika** — measured live, not guessed. Full decoded design system + one-command install: mozaika.design/ds/caffeine-ui

Export: Tailwind v4 (@theme)

@theme {
  /* action color #644A40 — the one interactive color; buttons/links/emphasis only, never large fills. */
  --color-bg: #F9F9F9;
  --color-surface: #EBEBEB;
  --color-border: #D8D8D8;
  --color-text: #202020;
  --color-text-muted: #727272;
  --color-primary: #644A40;  /* primary brand / action color. */
  --color-accent: #644A40;  /* 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: #644A40;  /* inline text links — shares the action color. */
  --color-button-bg: #644A40;  /* primary-button fill — the main call-to-action color. */
  --color-button-text: #FFFFFF;
  /* fonts: Inter — free, on Google. */
  --font-heading: "Inter", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Inter", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --text-h1: 36px;
  --text-h2: 24px;
  --text-body: 14px;
  --radius-base: 8px;
  --radius-button: 8px;
  --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 #644A40 — the one interactive color; buttons/links/emphasis only, never large fills. */
  --bg: #F9F9F9;
  --surface: #EBEBEB;
  --border: #D8D8D8;
  --text: #202020;
  --text-muted: #727272;
  --primary: #644A40;  /* primary brand / action color. */
  --accent: #644A40;  /* 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: #644A40;  /* inline text links — shares the action color. */
  --button-bg: #644A40;  /* primary-button fill — the main call-to-action color. */
  --button-text: #FFFFFF;
  --font-heading: "Inter", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Inter", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 8px;
  --radius-button: 8px;
}
/* fonts: Inter — free, on Google. */