Messenger Mobile — decoded design system
Messenger Mobile's design system, decoded live by Mozaika: measured color roles, type scale, buttons with real hover/focus states, motion and the brand's own tokens.
This is a static, crawlable rendering for search & AI engines. The interactive version — filters, live decode console, copy & export — is at https://mozaika.design/decode/messenger.com.
Decoded design system
Messenger Mobile's decoded design system: background #FFFFFF, text #1C1E21, accent #26877F, link #0A7CFF, primary #26877F; type scale h1 80px / h2 21px / body 15px; 8px spacing base; 12px base radius. The single interactive/action color is #0866FF — used only on interactive or must-notice elements (buttons, links, key highlights), never on large fills.
Color roles
| Role | Value |
|---|---|
| bg | #FFFFFF |
| surface | #F1F1F1 |
| border | #DCDDDD |
| text | #1C1E21 |
| text_muted | #727375 |
| primary | #26877F |
| accent | #26877F |
| link | #0A7CFF |
| button_bg | #0866FF |
| button_text | #FFFFFF |
Using these colors
- Action color
#0866FF— the single interactive color; only on things you click or must notice, never large fills. primary,accentare all#26877F— one role, not several (the action color).- accent
#26877F— accent for emphasis — keep it rare on the page. - link
#0A7CFF— inline text links and link-styled controls.
Typography
- Heading: Facebook Sans
- Body: SFProText-Regular
- h1: 80px
- h2: 21px
- body: 15px
Spacing
- base unit: 8px
- scale: 2px, 5px, 6px, 8px, 10px, 16px, 20px, 25px, 30px, 40px
Radii
- base: 12px
- button: 24px
Shadows (elevation)
- subtle:
rgba(88, 144, 255, 0.75) 0px 0px 1px 2px, rgba(0, 0, 0, 0.15) 0px 1px 1px 0px - card:
rgba(0, 0, 0, 0.3) 0px 2px 26px 0px, rgba(0, 0, 0, 0.1) 0px 0px 0px 1px
Motion
Micro-interactions run at 200ms (dominant) with cubic-bezier(0.08, 0.52, 0.52, 1).
- durations: 200ms
- easings:
cubic-bezier(0.08, 0.52, 0.52, 1)·ease-in - animated properties: opacity, background-color, box-shadow, transform
Native design tokens
| Token | Value |
|---|---|
--xbot0hz | #171C1F |
--x1dxtr3h | #191C1F |
--x1fo8oi | rgba(230, 230, 230, .8) |
--x3ssoic | #E6E6E6 |
--x1fvvt15 | #CED0D4 |
--xcx8qie | rgba(161, 187, 255, .16) |
--x1i50v3k | #EBEDF0 |
--xdbh3ft | rgba(0, 100, 224, .25) |
--x1bd2fwr | #ECF5FF |
--x11rivb9 | #f3f4f5 |
…and 110 more measured on the page.
Button states (measured)
- primary hover: border
1px solid rgb(0, 58, 185)· background#003AB9 - primary focus: box-shadow
rgb(255, 255, 255) 0px 0px 0px 2px, rgb(24, 119, 242) 0px 0px 0px 4px
Layout (measured)
- nav: 100px absolute
Motion choreography (measured)
Load order: a._42ft
Overlay recipe (measured)
dialog panel: #FFFFFF · radius 3px
Input (measured)
height 36px · radius 10px
Responsive (measured)
- breakpoints: 679px · 768px · 1024px · 1440px · 1920px
- mobile (390px): hero 25px · nav hamburger
Install it
Drop this measured system into any shadcn/Tailwind project in one command:
npx shadcn add mozaika.design/r/decode/messenger.com
Or as a Meta Astryx theme — a ready defineTheme file with the measured hover/press states baked in:
curl -o src/themes/messenger.theme.ts https://mozaika.design/api/astryx/decode/messenger.com.ts
registry item · astryx theme · or query it over MCP: get_design_system("Messenger Mobile")
Export: DESIGN.md
# Messenger Mobile — Design System > light, consumer, high — deep decode (measured live) ## Colors | Role | Value | |------|-------| | bg | `#FFFFFF` | | surface | `#F1F1F1` | | border | `#DCDDDD` | | text | `#1C1E21` | | text_muted | `#727375` | | primary | `#26877F` | | accent | `#26877F` | | link | `#0A7CFF` | | button_bg | `#0866FF` | | button_text | `#FFFFFF` | **Using these colors** - **Action color** `#0866FF` — 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` are all `#26877F` — one role, not several. - **accent** `#26877F` — accent for emphasis — keep it rare on the page. - **link** `#0A7CFF` — inline text links and link-styled controls. - **Page coverage** (full-page screenshot pixels): `#999999` 61.1% · `#FFFFFF` 27% · `#737F91` 7.6% · `#D1D3D4` 4.4% ## Typography - Heading: **Facebook Sans** _(free fallback: Newsreader)_ - Body: **SFProText-Regular** _(free fallback: Newsreader)_ | Role | Size / weight · line-height · tracking | |------|------------------------------------------| | hero | 80px / 600 · lh 85px · tracking -3.2px | | h2 | 21px / 600 · lh 18px | | h3 | 19px / 500 · lh 18px | | body | 15px / 400 · lh 18px | | small | 14px / 600 · lh 18px | - Weight ladder: 400 · 500 · 600 · 700 — use these exact measured weights, not the 400/600 defaults. > **Fonts —** Facebook Sans may be proprietary — safe free fallback: Newsreader (Google Fonts). SFProText-Regular may be proprietary — safe free fallback: Newsreader (Google Fonts). ## Spacing - base unit: 8px (inferred from the measured scale) - measured scale: 2px, 5px, 6px, 8px, 10px, 16px, 20px, 25px, 30px, 40px — snap all gaps/padding to these ## Radius - base: 12px - button: 24px - card: 12px - sharp: 3px ## Buttons | Button | Fill / text | Border | Radius | Padding | Font | Shadow | |--------|-------------|--------|--------|---------|------|--------| | primary | `#0866FF` / `#FFFFFF` | 1px solid rgb(0, 112, 246) | 24px | 2px 20px 0px 20px | 600 19px | none | **States (measured, not guessed)** - primary hover: border `1px solid rgb(0, 58, 185)` · background `#003AB9` - primary focus: box-shadow `rgb(255, 255, 255) 0px 0px 0px 2px, rgb(24, 119, 242) 0px 0px 0px 4px` - transition: `background-color 0.2s cubic-bezier(0.08, 0.52, 0.52, 1)` ## Shadows (elevation) - subtle: `rgba(88, 144, 255, 0.75) 0px 0px 1px 2px, rgba(0, 0, 0, 0.15) 0px 1px 1px 0px` - card: `rgba(0, 0, 0, 0.3) 0px 2px 26px 0px, rgba(0, 0, 0, 0.1) 0px 0px 0px 1px` ## Motion - durations: 200ms (dominant) - easings: `cubic-bezier(0.08, 0.52, 0.52, 1)` (dominant) · `ease-in` - animated properties: opacity, background-color, box-shadow, transform Micro-interactions use the dominant duration + easing; nothing on the page animates slower than the longest duration above — don't invent springier motion. ## Their own tokens (verbatim from :root) | Token | Value | |-------|-------| | `--xbot0hz` | `#171C1F` | | `--x1dxtr3h` | `#191C1F` | | `--x1fo8oi` | `rgba(230, 230, 230, .8)` | | `--x3ssoic` | `#E6E6E6` | | `--x1fvvt15` | `#CED0D4` | | `--xcx8qie` | `rgba(161, 187, 255, .16)` | | `--x1i50v3k` | `#EBEDF0` | | `--xdbh3ft` | `rgba(0, 100, 224, .25)` | | `--x1bd2fwr` | `#ECF5FF` | | `--x11rivb9` | `#f3f4f5` | | `--x5afhcp` | `#f9fafb` | | `--xhj0bg5` | `#f9fafb` | _…and 108 more measured on the page._ Prefer these names when extending their system — it's the brand's actual vocabulary. ## Layout (measured) - nav: 100px absolute ## Motion choreography (measured) Load order: `a._42ft` @0ms - overlay dialog (auto-opened): panel #FFFFFF · r 3px · shadow rgba(0, 0, 0, 0.3) 0px 2px 26px 0px, rgba(0, 0, 0, 0.1) 0px 0px 0px 1px Rebuild the timeline, not just the durations — order, delays and staggers above are the choreography. ## Components (measured) - input: h 36px · r 10px · bg rgba(0, 0, 0, 0.04) · placeholder #65686C - link: #0A7CFF · no underline ## Responsive (measured) - breakpoints: 679px · 768px · 1024px · 1440px · 1920px - mobile (390px): hero 25px · body 12px · nav: hamburger ## 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. Hover/focus states, shadows and motion timings above are measured from the live page — match them exactly, don't re-guess them. --- > **Decoded with Mozaika** — measured live, not guessed. Full decoded design system + one-command install: mozaika.design/decode/messenger.com
An automated reading of Messenger Mobile's publicly-visible CSS (colors, fonts, spacing, motion) — not affiliated with messenger.com. No screenshots stored. Removal requests: hello@mozaika.design.