In-N-Out Burger Design System
In-N-Out Burger's marketing design system as a DESIGN.md file.
About In-N-Out Burger DESIGN.md
Curated by Dov AzencotUpdated Source in-n-out.com
- Food & Delivery
In-N-Out Burger's marketing site is a case study in brand confidence through chromatic repetition. The brand deep-red appears 50 times in the captured page — as nav link text, CTA button fills, section headings, image borders, and overlay backgrounds — making it one of the highest-frequency single-color deployments in the food-and-delivery category. Where McDonald's holds its red to logo and accent, and where Shake Shack leans on a hunter-green brand identity, In-N-Out saturates the entire interface in red-on-white, then reinforces it with illustrated assets that have been in continuous use since the 1960s: the yellow arrow sign, the Camaro from the television ads, the mascot silhouette.
The DESIGN.md file packages the system into a machine-readable spec for React and AI tools. Inside: 7 color tokens built on a red-black-white triad with a single mid-grey for borders; 10 typography tokens all running Montserrat — bold at 500 weight for all-caps navigation at 11px, bold at 700 for uppercase section headings at 15px, and regular 400 for body at 15px; a radius scale that runs from 0px to a 29px stadium-pill on the primary CTA, with 50% circles for icon treatments and 10px cards; and 14 component definitions covering the red-pill CTA button, the photo-over-illustration hero grid, the retro card tiles, and the full-bleed illustrated billboard section.
Feed this file to Claude or Cursor and it will reproduce In-N-Out's specific moves: brand-red voltage at near-saturation across every interactive element, Montserrat bold all-caps at small sizes, the 29px pill radius on primary CTAs, and black-on-white body text with no grey tier. The move worth borrowing — the commitment to running one chromatic voltage across text, borders, and backgrounds simultaneously — only holds when the voltage is this saturated and the brand has this much recognition. Attempted with a softer color, it would read as accidental rather than intentional.
What makes it distinct
- Dual red-on-white voltagebrand deep-red appears 50 times across text, borders, and backgrounds; the entire interactive chrome runs on one chromatic signal
- Montserrat bold all-caps for navigation11px uppercase weight-500 labels read as a compact retro-diner signage convention, not digital convention
- Pill radius on primary CTAthe 29px border-radius on the main button creates a stadium-pill form that echoes In-N-Out's iconic oval signs
- Illustration over photographythe site deploys retro-illustrated assets (the arrow sign, the '69 Camaro, the mascot) alongside photography, both at full-bleed
- No muted text tierthe system runs two text colors (black and white) with no grey; secondary copy shifts to white-on-red or black-on-white
Live at in-n-out.com
A snapshot of the brand in production. Hover the frame to scroll the page; click to visit.
in-n-out.comExplore In-N-Out Burger
Pick what you want to see — mockups, colors, typography, layout, or the full component list.
Brand & Accent
Sparing, CTA-only voltage.
Surface
Page and card backgrounds.
Text
Headlines, body, captions, muted.
Borders & Hairlines
Dividers, outlines, structural rules.
Other
Specialty colors.
In-N-Out Burger design system FAQ
Common questions about In-N-Out Burger's tokens, components, and how to use this DESIGN.md in your project.
Related reading
Specs, directories, and component libraries that pair with this design system.
Browse all design systems
The full directory of DESIGN.md files on shadcn.io, with live mockups for each.
In-N-Out Burger — official site
In-N-Out Burger's public marketing site — the source of truth for the live tokens captured in this file.
The DESIGN.md specification
Google Labs' open spec for machine-readable design system files — the format this page is built on.