Skip to content
Musterlab
LibraryPricingGuideFavourites
Connect your AI
All stylesStyle reference

Replicate

replicate.com
Website preview
The character

Golden hour API workshop

lightaiRB Freigeist Neue
Colors
11
Typefaces
3
Components
13
Visit website

Copy a design guide, CSS variables or tokens into your next project.

The design language

Replicate projects a sunlit developer playground on white: one signature sunset gradient (magenta → ember → gold) anchors the hero, section borders, and brand moments, while every interactive surface dissolves into a pill (9999px radius). The system pairs a high-contrast display face (RB Freigeist Neue, up to 128px) for editorial headlines against Basier Square at 14–16px with -0.025em tracking for functional UI — two voices, one warm-white canvas. Code is first-class: GitHub-syntax editor cards live directly inside marketing layouts, not buried in docs. Color discipline is severe: nearly the entire interface is #202020 on #ffffff, with a single ember accent (#ea2804) appearing only inside the gradient and the logo mark. Shadows are essentially absent — flat surfaces and 1px hairline borders carry the elevation language instead.

Inside this designColorsTypographySpacing & shapeGuidelinesComponentsSurfacesCompositionNotes

Color palette

brand

Sunset Gradient

#ea2804

Hero background wash, section border frames, brand-mark dot grid — the only chromatic surface treatment in the system. Always at full saturation; never desaturated or muted; The single non-gradient accent — appears in the logo mark and the warm shadow tint. Never used for buttons, links, or text; its job is to anchor the gradient's red midpoint

accent

Forest Signal

#2b9a66

Green supporting accent for decorative details and low-frequency emphasis. Use as a supporting accent, not as a status color

neutral

Bone White

#ffffff

Page canvas, card surfaces, code editor background. The base layer everything sits on

Ink

#202020

Supporting neutral for secondary UI, dividers, and muted labels. Do not promote it to the primary CTA color

Graphite

#646464

Secondary text, metadata, run counts, helper labels. Provides a quiet middle step between Ink and the silver border tones

Silver

#bfbfbf

Avatar ring borders, decorative shadow tint, inactive dividers

Smoke

#d9d9d9

Hairline borders on cards, model tiles, and input fields. The primary structural divider color

Fog

#f0f0f0

Subtle surface step (alt card backgrounds, section bands), input field default state

Vellum

#f9f9f9

Warm-white off-state surface used for the secondary surface tier (e.g. model card backgrounds behind thumbnails)

Cream Paper

#fefce9

Rare warm-tinted surface used inside editor cards and callout blocks — a very subtle nod to the gradient's yellow endpoint

Carbon

#000000

True black for the logo wordmark, high-contrast icon strokes, and maximum-impact filled buttons when Ink is insufficient

Typography

Type scale

Minor Third (1.2) · 20px base
display128px · 700 · 1 · -3.2px tracking

The quick brown fox jumps

text-7272px · 700 · 1

The quick brown fox jumps

heading-lg48px · 400 · 1.2 · -1.2px tracking

The quick brown fox jumps

heading30px · 600 · 1.2 · -0.75px tracking

The quick brown fox jumps

text-2929px · 400 · 1.11

The quick brown fox jumps

heading-sm24px · 400 · 1.4 · -0.6px tracking

The quick brown fox jumps

subheading20px · 400 · 1.4 · -0.5px tracking

The quick brown fox jumps

text-1818px · 400 · 1.56

The quick brown fox jumps

Font samples use locally available fonts and fallbacks.

Aa
Primary typeface

RB Freigeist Neue

Weights
400, 600, 700
Sizes
16px, 30px, 48px, 72px, 128px
Line height
1.00, 1.20, 1.50
Letter spacing
-0.025em
Fallback
Space Grotesk or Archivo

Display and editorial headlines. The high-contrast geometric face carries all the visual drama — 128px hero ('Run AI with an API.'), 48–72px section openers, 30px sub-headers. The 1.0 line-height at display sizes is a signature: letters almost touch, creating a dense monumental block. Tracking tightens to -0.025em at every size.

Aa
Additional typeface

Basier Square

Weights
400, 600
Sizes
12px, 14px, 16px, 18px, 20px, 24px, 29px
Line height
1.11, 1.33, 1.40, 1.43, 1.50, 1.56
Letter spacing
-0.025em
Fallback
Inter or Geist

All functional UI: body copy, navigation, buttons, labels, badges, metadata, table cells, footer. The geometric humanist counterpoint to Freigeist — quiet enough to disappear, warm enough to read at 12px captions. 14px body, 16px default, 20–24px for sub-headings, 29px for the largest non-display heading tier.

Aa
Additional typeface

JetBrains Mono

Weights
400
Sizes
10px, 11px, 14px, 16px
Line height
1.43, 1.50
Letter spacing
normal
Fallback
Fira Code or IBM Plex Mono

Code blocks, API tokens, version strings, inline code, keyboard shortcuts (e.g. the '⌘+K' chip inside the search input). Lives exclusively inside editor cards and technical micro-labels.

Spacing & shape

Spacing

Density
compact
Base unit
8px
Max width
1200px
Section gap
64px
Card padding
16px
Element gap
8px

Border radius

tags9999px
cards0px
icons9999px
badges9999px
images0px
inputs9999px
buttons9999px

Spacing scale

1px
2px
4px
6px
8px
10px
12px
16px
24px
32px
48px
64px
96px
144px
153px

Guidelines

Do

  • Use the sunset gradient (magenta → ember → gold at 135deg) as a full-bleed hero background, section border frame, or accent wash — never as a text fill or icon fill.
  • Apply 9999px radius to every button, tag, badge, input, and small interactive element; use 0px radius on cards, images, and code editors to create the flat/pill contrast.
  • Set display headlines in RB Freigeist Neue at 48–128px with line-height 1.0 and letter-spacing -0.025em — the dense monumental block is the brand voice.
  • Keep body and UI text in Basier Square 14–16px weight 400–600 with letter-spacing -0.025em; never let body text drop below 12px.
  • Render code in JetBrains Mono 14px on Bone White with the GitHub syntax palette: keywords #d73a49, strings #032f62, properties #005cc5, functions #6f42c1.
  • Anchor all body text and icons to #202020 on #ffffff — the 16:1 contrast is part of the visual identity.
  • Use 64px section gaps and 8px element gaps; keep cards at 16px internal padding and 1px #d9d9d9 hairline borders.

Don’t

  • Don't introduce a chromatic CTA — primary actions are always black-filled (#000000 / #202020), and secondary actions are ghost/outlined.
  • Don't apply the gradient to text, icons, or button backgrounds — it belongs to surfaces and frames only, and at full saturation.
  • Don't add drop shadows to cards, modals, or navigation; the system is flat. Use 1px Smoke borders for separation instead.
  • Don't mix in a third typeface beyond Basier Square, Freigeist Neue, and JetBrains Mono.
  • Don't use sharp 4–8px radii for buttons or tags; the pill shape (9999px) is non-negotiable across all chip-like components.
  • Don't use Graphite (#646464) for primary body text — it is a metadata/helper tier only. Primary text must be Ink (#202020).
  • Don't desaturate, mute, or pastel-tint the gradient. Its vibrancy is the system.

Components

01

Primary Action Button (Filled Black)

Highest-priority action across hero, nav, and section CTAs

Background #000000 or #202020, text #ffffff, Basier Square 14px weight 600, 9999px radius, horizontal padding 16px, vertical padding 8px. May include a 14px leading icon. The 'Try for free', 'Get started for free', and 'Explore models' buttons all use this variant. There is no chromatic CTA — the button's contrast against Bone White is its emphasis.

02

Ghost / Outlined Button

Secondary action sitting beside a primary CTA

Transparent background, 1px #d9d9d9 border, text #202020, Basier Square 14px weight 600, 9999px radius, 16px / 8px padding. Used for 'Push a model' and other low-emphasis paired actions.

03

Pill Category Tag

Category filters above model grids

Bone White background, 1px #d9d9d9 border, 9999px radius, 10–12px horizontal padding, 4–6px vertical padding, Basier Square 14px weight 400, text #202020. The 'Generate images', 'Generate speech', 'Generate music' filters in the screenshots are this component.

04

Official / Status Badge

Trust signal on model and contributor cards

Forest Signal #2b9a66 background with white text for success/verified, or transparent with #646464 text for neutral metadata. 9999px radius, 4–6px padding, Basier Square 12px weight 600. The 'Official' checkmark badge on model cards uses the green variant.

05

Model Card

Primary content unit in model browse grids

Bone White background, 1px #d9d9d9 border, 0px radius, 16px internal padding. Left column: square or wide thumbnail (0px radius, full-bleed to card edge). Right column: model name in Basier Square 16px weight 600, owner handle 12px weight 400 #646464, description in Basier Square 14px weight 400 #202020 truncated to 2 lines, run count in Basier Square 12px weight 600 #646464, and an 'Official' badge aligned right.

06

Code Editor Card

Live code snippet embedded in marketing surfaces

Bone White background, 1px #d9d9d9 border, 0px radius. Top bar: tab switcher (Node / Python / HTTP) in Basier Square 12px weight 600, 16px horizontal padding, 10px vertical padding, with the active tab showing a 2px #202020 bottom indicator. Code area: JetBrains Mono 14px on Bone White, 16px line-height, 16px padding. Syntax colors follow GitHub palette: keywords #d73a49, strings #032f62, properties #005cc5, function names #6f42c1, numbers/comments #6a737d. A small circle/dot in the top-right corner acts as a window-control decoration.

07

Top Navigation Bar

Persistent site-wide header

Bone White background, 0px radius, 64px tall, 1px #f0f0f0 bottom border. Left: wordmark 'replicate' in Carbon #000000 Basier Square 16px weight 600 with a custom three-arc logomark. Center: expanded search input. Right: text links (Explore ▾, Pricing, Enterprise, Docs, Blog, Sign in) in Basier Square 14px weight 400 #202020, 16px gap, followed by the black filled 'Try for free' button.

08

Search Input

Primary site search, visible in nav and above model grids

Bone White background, 1px #d9d9d9 border, 9999px radius, 40px tall. Leading 14px search icon in #646464. Placeholder 'Search best image models or

09

Gradient Hero Banner

First-viewport brand statement

Full-bleed linear-gradient(135deg, #ff6bfc 0%, #ea2804 50%, #f6f47f 100%) background. Overlaid with a faint dot-grid texture (rgb(0,0,0) dots at ~8% opacity, 16px spacing) to give the gradient tactile grain. Headline: RB Freigeist Neue 128px weight 600, #ffffff, line-height 1.0, letter-spacing -3.2px. Subtext: Basier Square 18px weight 400 #ffffff at ~85% opacity. CTA: Primary Action Button (Filled Black) with no color change — the black creates a hard focal point against the warm wash.

10

Gradient-Bordered Section Frame

Highlight callout wrapping content blocks (e.g. 'How it works')

Outer container has a 4–6px padding filled with the sunset gradient. Inner container is Bone White with 32–48px internal padding and 0px radius. Used to magnetize the eye toward a specific section without darkening the page.

11

Community Avatar Strip

Social proof — brands and contributors who use Replicate

Two horizontal rows of circular avatars (40–48px diameter) connected by a dotted #d9d9d9 1px line that threads through each circle's vertical center. Avatars are images clipped to a circle; no border, no shadow. Creates a constellation effect that reads as 'network' without explicit labels.

12

Tab Control

Code language switcher inside editor cards

Inline list of plain text labels in Basier Square 12px weight 600. Active tab: text #202020 with a 2px #202020 bottom underline, 4px padding-bottom. Inactive: text #646464, no underline. 16px horizontal gap between tabs. Sits flush-left at the top of the code area inside the Code Editor Card.

13

Run Count Stat

Model popularity metric on cards

Basier Square 12px weight 600 #646464, prefixed with a small numerical value (e.g. '219.5k runs'). Inline, right-aligned within the model card footer row.

Surfaces & elevation

Level 0

Canvas

#ffffff

Default page background

Level 1

Card

#ffffff

Model cards, code editor, content tiles — same as canvas but with 1px Smoke border

Level 2

Recessed

#f9f9f9

Subtle tier for model tile backgrounds behind thumbnails

Level 3

Accent Surface

#fefce9

Warm-tinted callout/editor interior — echoes the gradient's yellow stop

The system is essentially flat. No drop shadows on cards, tiles, or modals. Elevation is expressed through a single warm-tinted shadow rgb(228, 199, 103) 0px 1px 2px 0px applied to rare code/terminal blocks, and through 1px Smoke (#d9d9d9) hairline borders elsewhere. Cards float on the same Bone White as the canvas — only their border separates them.

Layout & imagery

Layout

Page model is max-width 1200px centered with full-bleed gradient sections at the top and bottom. The hero is a single full-viewport gradient banner with a left-aligned headline stack and a side-by-side code-editor + model-output preview below the fold. Sections below alternate between white and white-with-gradient-border frames at 64px vertical gaps. Model grids are 3-column on desktop, 2-column on tablet, 1-column on mobile, with cards stacking image-left and text-right. The community avatar strip spans the full content width as a single decorative band. Navigation is a 64px sticky top bar with logo left, search center, links + CTA right. Density is compact but breathable: model cards have 16px padding and 24px gap, never crowding.

Imagery

Imagery is functional and code-centric rather than decorative. Model thumbnails fill the left half of every card — raw output crops at full saturation, no rounded corners, no overlay treatment. Avatars are circle-clipped portraits at 40–48px. The hero uses an abstract warm gradient with a faint black dot-grid texture rather than a photograph. There is no lifestyle photography, no product hero shot, no marketing illustration — the code snippet and model output images ARE the visual content. Icon style is minimal: thin 1.5px stroke, monochrome Ink or white on the gradient, no filled icons except the brand mark's three arcs.

Design notes

Agent Guide

Quick Color Reference\n- text: #202020\n- background: #ffffff\n- border: #d9d9d9\n- accent: #ea2804 (gradient ember only — not for buttons)\n- primary action: no distinct CTA color

Gradient System

A single canonical gradient carries the brand: linear-gradient(135deg, #ff6bfc 0%, #ea2804 50%, #f6f47f 100%). It appears in four contexts only: (1) full-bleed hero background, (2) 4–6px section border frames, (3) logo mark dot/accent, (4) subtle decorative washes. A secondary fade variant — linear-gradient(180deg, rgba(234,40,4,0.5), #ffffff) — is used for top-edge gradient transitions into white sections. Never rotate, skew, or split the gradient. Never replicate the three stops as separate solid colors in other components — they exist only as a sequence.

Similar brands

Hugging Face

Same developer-first product browse with a 3-column model card grid, white canvas, and a single warm yellow emoji/icon accent — though Replicate swaps yellow for the magenta-ember-gold gradient.

Vercel

Shared high-contrast black-on-white interface, monospaced code snippets inline with marketing, and near-identical minimal top nav with logo + search + filled black CTA.

Linear

Same two-typeface strategy (one geometric display face + one tight-tracking UI sans), pill-shaped tags and buttons everywhere, and flat surfaces with hairline borders instead of drop shadows.

Modal

Same approach of a vivid full-bleed gradient hero over a max-width white content stack, with display headlines that almost touch at 1.0 line-height.

Anthropic

Similar warm-editorial-meets-technical posture: large display headlines, tight letter-spacing, and a single warm accent color used sparingly against a near-white canvas.

Take this style into your next project.

Use the design exports or connect Musterlab to your AI.

Connect your AI

Keep exploring

Browse the library
ChatGPT

ChatGPT

graphite ink on warm paper

lightai-apple-system-body
Anything
A

Anything

afternoon daydream over a wildflower field. Soft, floating, a little surreal — white UI plates drifting above a photograph that feels half-remembered.

lightaiInter
Qatalog
Q

Qatalog

ink on paper with two violet sparks

lightsaasPlus Jakarta Sans
OpenAI Developers
O

OpenAI Developers

stark white laboratory

lightaiOpenAI Sans
Superintelligence for work
S

Superintelligence for work

Architectural monograph on vellum — where the only ornament is letter-spacing and the only color is a single electric blue pressed into white space.

lightaiSana Sans
OpenAI
O

OpenAI

Research lab notebook at noon.

lightaiOpenAI Sans
Musterlab. A closer look at good design.About the library