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Design system Pro AI Kit14 components

Bun-inspired Plum Toolkit

An original, unofficial Bun-inspired system for fast JavaScript tooling, install proof, benchmark comparison, and toolkit navigation. It retains only 14 focused elements supported by Bun's live product story.

Desktop · 1440 × 16364
Bun homepage — desktop reference

Foundations

The visual decisions behind the system

A public overview of the typography, palette, icon language, spacing, shape, and motion used throughout this AI Kit.

Style identity

Plum Toolkit

A fast, energetic developer-tooling system that puts install commands, benchmark comparison, release context, and compact assistant access in one technical story.

Dark plum and black with warm cream copy, pink selected states, and terminal-fir theme
Visit website

Typography

Font families

System UI

Body, headings, navigation, and controls observed on bun.sh.

system-ui, -apple-system, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Open Sans, Helvetica Neue, sans-serif
Weights
400,500,600,700,800
Sizes
16px,24px,48px,53.3333px,72px
Line height
24px,33px,48px,53.3333px,72px
Tracking
0

Fallback: ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif

Terminal mono

Install commands, benchmark values, and code snippets.

ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, monospace
Weights
400,500,600
Sizes
12px,13px,14px
Line height
18px,20px,22px
Tracking
0,0.02em

Fallback: monospace

Palette

Core colors

Toolkit canvas / light

#fff7f4

Warm documentation canvas.

Toolkit canvas / dark

#14151a

Observed near-black homepage canvas.

Surface / light

#ffffff

Light tool and benchmark panel.

Surface / dark

#1d1721

Raised plum command surface.

Ink / light

#24131d

Warm dark text on light.

Ink / dark

#f9fafb

Warm white homepage type.

Pink action / light

#bd4f83

Selected tool and primary action.

Pink action / dark

#ff9fc5

Selected state and link emphasis.

Benchmark cream

#f9d9c1

Warm proof highlight.

Muted copy

#d1d5db

Observed benchmark supporting text.

Hairline

#30433e

Quiet divider and control border.

Type scale

Responsive hierarchy

RoleSizeWeightLine heightTracking
Hero desktop53.3333px80053.3333px
Hero mobile37.3333px80037.3333px
Proof section48px80048px
Body16px40024px
Benchmark label24px50033px
Command13px50020px

Spacing & shape

Layout rhythm

Density
Base unit
Max width
Section gap
Card padding
Element gap

Iconography

Rounded, open line icons used for external links, copy, warning, and completion.

2px default; round linecap and linejoin. stroke · 16px / 20px / 24px

Use currentColor, pair symbols with labels for important actions, and preserve optical alignment.

System metrics

Radius

Sm 6pxValue 6pxMd 10pxValue 10pxLg 16px

Spacing

1 4pxValue 4px2 8pxValue 8px3 12px

Motion

Fast 150msValue 150msStandard 250msValue 250msEasing ease-out

Guidelines

Do

  • Make the install command and platform choice visible in the first interaction.
  • Use pink to show selection, not as a blanket background.
  • Pair benchmark bars with exact competitor values and accessible text.
  • Keep Ask AI secondary to install and documentation.

Don't

  • ×Do not imply benchmark claims without the exact value and test context.
  • ×Do not use the hero image or copied release-feed copy.
  • ×Do not let a floating assistant obscure the primary action.
  • ×Do not make selected tabs distinguishable only through pink.

Imagery

Prefer CSS-only benchmark bars, terminal geometry, and original abstract texture. Do not copy Bun logos, hero.jpg, screenshots, or brand artwork.

Layout

Balance a direct toolkit claim with install proof on desktop, then stack install, benchmark, and assistant access on mobile. Keep the first command visible before secondary proof.

Concept

A complete visual language, ready to inspect.

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

Plum Toolkit Interface Elements

14 published components in collection order

Components

Built from the same system

Production-ready specimens from this AI Kit's approved collection.

Open collection
Install Bun ↗ Run benchmark ›_
0
65
Install for macOS · Apple silicon Linux · x64 Windows · x64
0
65
Toolkit menu ⌄ Install Bun ↗ Package manager P Bundler B
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73
Benchmark Install Runtime Benchmark results selected.
0
59
Bun toolkit Runtime, test, install, bundle 4 tools One executable Explore
0
69
Runtime v1.3 Latest Test runner Included Bundler Beta
0
66
Benchmark Bun Node.js Startup 48 ms 182 ms Test suite 1.4 s 3.8 s
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58
! Bun 1.3 is available Upgrade for faster installs and improved Node.js compatibility. ×
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74
⌘ Install package I Run script R Open bunfig B
0
53
Which command adds the workspace package? Run bun add --filter dashboard zod. Send
0
56
Bun Install Runtime Bundler Workspace Runtime toolkit Install guidance beside performance proof.
0
59

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Published AI Kit Protected source files for Pro members