Northern Lights UI — Design System

Name: Northern Lights UI design system
Creator: Mozaika
Keywords: design system, design tokens, Northern Lights UI, dark, react

dark · modern · medium · react · confidence 95%

The Northern Lights 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/northern-lights-ui.

Tokens

Northern Lights UI's decoded design system: background #1A1D23, text #E5E5E5, accent #34A85A, link #34A85A, primary #34A85A; type scale h1 36px / h2 24px / body 14px; 4px spacing base; 8px base radius. The single interactive/action color is #34A85A — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.

Color roles

Role	Value
bg	`#1A1D23`
surface	`#26292E`
border	`#383B40`
text	`#E5E5E5`
text_muted	`#97999B`
primary	`#34A85A`
accent	`#34A85A`
link	`#34A85A`
button_bg	`#34A85A`
button_text	`#FFFFFF`

Using these colors

Action color #34A85A — the single interactive color; only on things you click or must notice, never large fills.
primary, accent, link, button_bg are all #34A85A — one role, not several (the action color).
accent #34A85A — 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: Plus Jakarta Sans
Body: Plus Jakarta Sans
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

# Northern Lights UI — Design System

> dark, modern, medium, react

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

## Colors

| Role | Value |
|------|-------|
| bg | `#1A1D23` |
| surface | `#26292E` |
| border | `#383B40` |
| text | `#E5E5E5` |
| text_muted | `#97999B` |
| primary | `#34A85A` |
| accent | `#34A85A` |
| link | `#34A85A` |
| button_bg | `#34A85A` |
| button_text | `#FFFFFF` |

**Using these colors**

- **Action color** `#34A85A` — 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 `#34A85A` — one role, not several (your action color).
- **accent** `#34A85A` — 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: **Plus Jakarta Sans**
- Body: **Plus Jakarta Sans**
- h1: 36px
- h2: 24px
- body: 14px

> **Fonts —** Plus Jakarta Sans — free, on Google.

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

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

## Primary button
- bg `#34A85A` · 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/northern-lights-ui

Export: Tailwind v4 (@theme)

@theme {
  /* action color #34A85A — the one interactive color; buttons/links/emphasis only, never large fills. */
  --color-bg: #1A1D23;
  --color-surface: #26292E;
  --color-border: #383B40;
  --color-text: #E5E5E5;
  --color-text-muted: #97999B;
  --color-primary: #34A85A;  /* primary brand / action color. */
  --color-accent: #34A85A;  /* 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: #34A85A;  /* inline text links — shares the action color. */
  --color-button-bg: #34A85A;  /* primary-button fill — the main call-to-action color. */
  --color-button-text: #FFFFFF;
  /* fonts: Plus Jakarta Sans — free, on Google. */
  --font-heading: "Plus Jakarta Sans", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Plus Jakarta Sans", 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 #34A85A — the one interactive color; buttons/links/emphasis only, never large fills. */
  --bg: #1A1D23;
  --surface: #26292E;
  --border: #383B40;
  --text: #E5E5E5;
  --text-muted: #97999B;
  --primary: #34A85A;  /* primary brand / action color. */
  --accent: #34A85A;  /* 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: #34A85A;  /* inline text links — shares the action color. */
  --button-bg: #34A85A;  /* primary-button fill — the main call-to-action color. */
  --button-text: #FFFFFF;
  --font-heading: "Plus Jakarta Sans", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radius: 8px;
  --radius-button: 8px;
}
/* fonts: Plus Jakarta Sans — free, on Google. */