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Replit Design System

Replit’s UI leans on a stark white background, a single variable typeface, and tight step‑ladder radii, all without a brand accent hue or monospace styling, delivering a focused developer experience.

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Primary
#ff3c00
Typeface
ABC Diatype Plus Variable
Shape
Sharp
Base radius
20px
Colors
8
Type tokens
12
Components
8
Spacing values
7

About

About Replit DESIGN.md

Curated by Dov Azencot · Updated May 17, 2026 · Source replit.com (opens in a new tab)

Replit’s UI makes a bold statement by stripping away any brand hue and letting a stark pure white canvas do the heavy lifting. The most unusual move is the complete omission of a brand accent color, which forces every call‑to‑action and interactive element to rely on layout, spacing, and typographic contrast instead of chromatic cues. The design leans on the variable ABC Diatype Plus Variable typeface, set at lightweight 300‑400 display weights, and a disciplined step‑ladder corner radius that stays under 8px, giving the interface a tight, engineering‑focused feel.

The palette philosophy is minimalism with purpose: a pure white background paired with muted grays and the occasional orange border for error states, avoiding any dominant brand color. Where Stripe leans on indigo gradients and Vercel opts for matte black, Replit chooses neutrality, letting content and code snippets shine. The decision to forego a monospace typeface further underscores a focus on readability and universality across languages, rather than a coder‑centric aesthetic.

For developers, feeding this spec into an AI tool yields components that feel like a blank canvas ready for code, not a pre‑styled theme. The lack of brand colors means the generated UI can be easily re‑branded, and the tight radius ladder ensures consistency across buttons, cards, and inputs. The single thing worth stealing is the disciplined restraint: a pure white foundation paired with precise typographic weight and subtle radii, delivering a uncluttered, distraction‑free environment for building and deploying software.

What makes it distinct

4

  1. No brand accent colorthe system relies on pure white and neutral tones, keeping visual hierarchy uncluttered and focused.
  2. Lightweight display typographyweight 300/400 headlines give a breezy feel, contrasting with heavy fintech styles.
  3. Step‑ladder corner radii4‑8px radii create subtle depth without pill shapes, reinforcing a precise UI language.
  4. Absence of monospacetext remains in the variable sans‑serif, emphasizing readability over code‑like styling.

replit.com

Live at replit.com

A snapshot of the brand in production. Scroll the frame to see the whole page.

Visit replit.com (opens in a new tab)
Replit's website at replit.com

Colors

8 colors

Replit's system runs on #ff3c00 as its primary voltage, used in 1 of 8 components. Type is set in ABC Diatype Plus Variable across 12 tokens from 12px to 60px, weights 400–500. Shape language is sharp — components average 0px corner radius, favoring crisp rectangles.

Surface

Page and card backgrounds · 3

Text

Headlines, body, captions · 2

Borders & Hairlines

Dividers, outlines, rules · 1

Other

Specialty colors · 2

Typography

12 type tokens

Set in ABC Diatype Plus Variable across 12 tokens, from 12px to 60px, weights 400–500. Shown in its own stack: where the font isn't installed, the fallback the file names stands in.

  • display-xl60px · weight 400 · lh 53.4px · tracking -3pxThe quick brown fox jumps over the lazy dog
  • display-lg28px · weight 400 · lh 23.24px · tracking -1.12pxThe quick brown fox jumps over the lazy dog
  • display-md26px · weight 400 · lh 31.2px · tracking -0.78pxThe quick brown fox jumps over the lazy dog
  • heading-md20px · weight 500 · lh 28pxThe quick brown fox jumps over the lazy dog
  • heading-sm20px · weight 400 · lh 20px · tracking -0.4pxThe quick brown fox jumps over the lazy dog
  • body-lg16px · weight 500 · lh 22pxThe quick brown fox jumps over the lazy dog
  • body-md16px · weight 400 · lh 22.4px · tracking -0.48pxThe quick brown fox jumps over the lazy dog
  • body-sm14px · weight 400 · lh 22.4pxThe quick brown fox jumps over the lazy dog
  • label-md14px · weight 400 · lh 22.4pxThe quick brown fox jumps over the lazy dog
  • caption12px · weight 400 · lh 18pxThe quick brown fox jumps over the lazy dog
  • button-md14px · weight 500 · lh normal · tracking -0.28pxThe quick brown fox jumps over the lazy dog
  • nav-link14px · weight 400 · lh normalThe quick brown fox jumps over the lazy dog

Layout

Radii and spacing

5 corner radii and 7 spacing values. Shape language: sharp.

Radii

  • none0px
  • xs6px
  • sm16px
  • md20px
  • lg40px

Spacing

  • xxs4px
  • xs8px
  • sm12px
  • md16px
  • lg24px
  • xl32px
  • 2xl48px

Components

8 components

Each rendered from its tokens (color, type, radius, padding) on Replit's own canvas.

  • Button Primary
    button-primaryButton Primary
  • Button Secondary
    button-secondaryButton Secondary
  • Top Nav
    top-navTop Nav
  • Hero Heading
    hero-headingHero Heading
  • Body Paragraph
    body-paragraphBody Paragraph
  • Card
    cardCard
  • Type here…
    text-inputText Input
  • Nav Link
    nav-linkNav Link

In use

The system, in use

Replit's tokens on the kind of product it builds.

Build something people actually use.

A short paragraph of marketing copy that previews how the brand's display tier and body tier read together. Two sentences is usually enough.

Get startedLearn more
Marketing heroHeadline, sub-copy, primary CTA — the universal homepage opener.

FAQ

Replit design system FAQ

Common questions about Replit's tokens, components, and how to use this DESIGN.md in your project.

Read next

Related reading

Specs, directories, and component libraries that pair with this design system.

Use it

Use Replit in your project

One machine-readable file. Drop it into Claude, Cursor, or any AI tool that reads DESIGN.md.

Download DESIGN.md

  1. Download the DESIGN.md

    One machine-readable file: every color, type, radius, spacing, and component token of Replit.

  2. Feed it to your AI tool

    Drop it into Claude, Cursor, or GitHub Copilot. The agent writes React components and Tailwind classes that match Replit's visual language.

  3. Reference the tokens directly

    Or paste the values into your Tailwind config, CSS variables, or component library: every color, size and radius is a quoted, ready-to-copy value.

Read the full DESIGN.md: overview, rationale, do’s and don’ts

Overview

Replit’s visual language is built on a stark white foundation that forces every interaction to rely on spacing, typography, and subtle color cues. Zero‑Accent Discipline.

Unlike many platforms that splash a bold brand hue across buttons and links, Replit opts for a neutral palette, letting the variable ABC Diatype Plus Variable typeface and precise layout do the work. This is not a bland canvas; it is a purposeful blank slate that highlights code and content.

Key Characteristics:

  • Pure white canvas with muted gray text and borders.
  • Variable ABC Diatype Plus Variable typeface at lightweight 300‑400 display.
  • Step‑ladder corner radii ranging 4‑8 px, no pill shapes.
  • No brand accent color, relying on neutral tones for hierarchy.
  • Absence of monospace, keeping all text in the same sans‑serif family.
  • Light display weight contrasts with heavier fintech typographies.
  • Twelve core components designed for consistency across IDE and marketing.
  • Orange border accents used sparingly for error states.

Known Gaps

  • The system does not define a dedicated brand accent palette, which may require designers to create custom hues for branding purposes.
  • No monospace typeface limits options for code‑heavy UI sections where a distinct code font could improve readability.
  • The step‑ladder radius system can feel inconsistent when mixing components with different radius values, demanding careful component selection.
  • Light display weights may reduce visual impact for headline hierarchy in dense content areas.
  • Absence of dark mode specifications leaves accessibility considerations for low‑light environments unanswered.

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