A friendly builder language for moving from prompt to app: vivid purple/green accents, a prominent idea field, artifact type selection, parallel execution, built-in infrastructure, team plans, agent chat, and a clear publish handoff. It is an original study without Replit's logo, pixel font, testimonials, screenshots, or protected copy. Responsive previews and 14 evidence-backed interface elements.
Foundations
A public overview of the typography, palette, icon language, spacing, shape, and motion used throughout this AI Kit.
Style identity
A friendly builder language for moving from prompt to app: vivid purple/green accents, a prominent idea field, artifact type selection, parallel execution, built-in infrastructure, team plans, agent chat, and a clear publish handoff. It is an original study without Replit's logo, pixel font, testimonials, screenshots, or protected copy.
prompt-led builder system with vivid accents, visible orchestration, and publish themeTypography
Replit branded display-style sans (open substitute in source)
Prompt hero, section headings, navigation, controls, and builder copy
Inter, ui-sans-serif, system-ui, sans-serifFallback: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif
System monospace
Technical metadata, counts, command cues, and code-like labels
SFMono-Regular, Menlo, Consolas, monospaceFallback: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace
Palette
Dark canvas
#101219Primary dark page background
Dark surface
#171b27Card, code, and specimen surfaces
Dark raised
#20283aHover, selected, and raised control surface
Dark border
#303a51Hairline structure on dark mode
Dark text
#f8f9ffPrimary dark-mode content
Dark muted
#aab3c7Secondary dark-mode content
Light canvas
#faf9ffPrimary light page background
Light surface
#ffffffLight card and specimen surface
Light raised
#f0ecffHover, selected, and raised light surface
Light border
#ded9f0Hairline structure on light mode
Accent
#a78bfaPrimary action and selected state
Accent secondary
#54e7b2Focus, secondary action, or supporting signal
Warm
#ffc45dAttention and editorial emphasis
Ready
#6ce6a6Success, ready, or healthy state
Type scale
| Role | Size | Weight | Line height | Tracking |
|---|---|---|---|---|
| Display | 76px | 400 | 0.94 | -0.075em |
| Hero mobile | 38px | 400 | 1.02 | -0.05em |
| Section heading | 48px | 500 | 1.04 | -0.06em |
| Product heading | 24px | 600 | 1.2 | -0.025em |
| Body large | 18px | 400 | 1.6 | -0.01em |
| Body | 16px | 400 | 1.55 | 0 |
| Interface label | 14px | 500 | 1.4 | -0.01em |
| Metadata | 12px | 500 | 1.45 | 0.02em |
Spacing & shape
Iconography
Use friendly geometric icons for artifact type and build state, but keep the prompt and labels primary. Do not recreate Replit's pixel mark or custom font glyphs.
System metrics
Radius
Spacing
Motion
Elevation
Panel
0 18px 50px rgba(0, 0, 0, 0.18)Large preview and focused content frame
Overlay
0 24px 80px rgba(0, 0, 0, 0.32)Menu, dialog, or floating command surface
Focus ring
0 0 0 3px #a78bfa55Keyboard focus indication
Surfaces & shape
Dark canvas
#101219Dark-first page and specimen background
Dark panel
#171b27Primary dark content surface
Light canvas
#faf9ffLight page and specimen background
Light panel
#ffffffPrimary light content surface
Guidelines
Imagery
Use original abstract canvas grids, artifact glyphs, and friendly geometric diagrams. Avoid live customer portraits, product screenshots, and protected brand illustrations.
Layout
Use a 1200px rail and a prompt-led hero, then alternate capability rows and compact cards. At mobile widths stack prompt, artifact choices, agent proof, plan cards, and final CTA with 16px gutters.
Concept
Use the file tree to move between the full reference preview, implementation guidance, portable tokens, and framework-ready styles. Each surface stays focused, so you can understand the system before copying code.
Assigned collection
14 published components in collection order
Components
Production-ready specimens from this AI Kit's approved collection.
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