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Crater Frequency

by Rob Harnetty·Generated from prompt
split-complementarycool
0.0(0)

Design Direction

This system is built for a context that does not exist yet but feels inevitable: event infrastructure at the edge of gravity. The design logic is brutalist with light — flat geometric forms that glow rather than shadow. Dense grid, sharp corners, no softness anywhere. Motion is snappy because in a low-gravity environment, physics still has snap; things do not drift, they transfer kinetic energy precisely. The surface is near-black with a dot field that reads as a star map or a speaker membrane depending on scale.

Colour Strategy

The primary is a saturated ultraviolet purple — the color of a UV blacklight flooding a dark room. Its split complements are a hard electric cyan and a charged acid yellow. These three do not harmonize; they vibrate against each other. In a weightless vacuum environment, there is no atmosphere to soften light, so the palette commits to that: maximal saturation, zero diffusion. The cyan reads cold and distant like Earthlight on regolith. The yellow is the one warm spike, a strobe flash cutting through.

Typography Strategy

Orbitron at maximum weight and wide letter-spacing is the only reasonable heading choice: it was built for space, and at 900 weight with 0.12em tracking, it becomes more emblem than typeface. IBM Plex Sans as the body provides the technical credibility that keeps the system from becoming a costume — it is a precision instrument designed for exactly this kind of information-dense UI. The 1.5 ratio produces dramatic headline scale while keeping data labels tight.

Colour Palette

primary

#b43cdd

secondary

#44b0d5

accent

#eede2b

neutral

#8f8891

success

#4ace97

warning

#daa13e

error

#ce4a76

info

#4a97ce

Typography

Heading

Orbitron, sans-serif

View on Google Fonts ↗

Body

IBM Plex Sans, sans-serif

View on Google Fonts ↗

Design is intelligence made visible

Great typography is the foundation of great design. The pairing of heading and body typefaces creates a visual hierarchy that guides the reader through content with clarity and purpose, while expressing personality at every level.

Selection colour · highlighted text looks like this · try selecting any text on this page

Spacing

2px base unit · compact density

xs
2px
sm
5px
md
10px
lg
14px
xl
19px
2xl
29px
3xl
38px
4xl
58px

Border radius

none

0px

sm

2px

md

5px

lg

10px

xl

16px

full

9999px

Elevation

sunken
base
raised
floating
overlay

Shadows

low

0 2px 8px rgba(0, 0, 0, 0.4), 0 0 4px rgba(180, 60, 221, 0.1)

mid

0 8px 24px rgba(0, 0, 0, 0.5), 0 0 12px rgba(180, 60, 221, 0.15)

high

0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(180, 60, 221, 0.2)

glow

Texture

dots · opacity 1 · normal blend

dots · normal · 1

Grid

dense · 16 columns · 12px gutter · 16px margin · 1440px max

Columns16
Gutter12px
Margin16px
Max width1440px

Motion

Hover, click, and interact to see the motion tokens in action.

micro

50ms

Button press feedback
fast

100ms

Hover me
Colour & border transitions
normal

180ms

Toggles & state changes
slow

250ms

Panel content slides in at the slow duration - used for modals, drawers, and accordions.
glacial

400ms

Page transitions & loading states

Easings

General

Hover states, colour changes, most transitions

cubic-bezier(0.2, 0, 0, 1)

Enter

Elements appearing - modals, dropdowns, toasts

cubic-bezier(0, 0, 0.2, 1)

Exit

Elements leaving - dismissals, close animations

cubic-bezier(0.4, 0, 1, 1)

Bounce

Playful feedback - toggles, badges, confirmations

cubic-bezier(0.34, 1.56, 0.64, 1)

Spring

Physics-based - drag, gestures, elastic effects

cubic-bezier(0.22, 1.2, 0.36, 1)

Iconography

Icon style derived from the system's personality, mood, and visual tokens.

Recommended library

Tabler Icons

Developer-friendly icons with a consistent grid system

Browse Tabler Icons

Also consider Radix IconsMinimal, precise icons for component-driven design systems

Stroke weight

1.5px

Matches border width (1px)

Corner rounding

2px

Use for icon containers

Icon set preview (edgy) — 1.5px stroke

Size scale

xs

12px

sm

16px

md

20px

lg

24px

xl

32px

On colour

primary

secondary

accent

muted

error

success

ComponentsPro

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Upgrade to see fully themed buttons, inputs, cards, badges, and more - all wired to this system's tokens.

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PatternsPro

Patterns are a Pro feature

Upgrade to see fully themed form layouts, empty states, loading skeletons, and error handling - all built with this system's tokens.

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Export

Code Tokens
:root {
  /* ─── Colors: Primary ─── */
  --color-primary-50: #f8f6f9;
  --color-primary-100: #efe9f1;
  --color-primary-200: #e5d0ec;
  --color-primary-300: #dba0ee;
  --color-primary-400: #ca74e7;
  --color-primary-500: #b43cdd;
  --color-primary-600: #9b22c3;
  --color-primary-700: #7f1ca1;
  --color-primary-800: #5a2b69;
  --color-primary-900: #3b2a41;
  --color-primary-950: #271c2b;

  /* ─── Colors: Secondary ─── */
  --color-secondary-50: #f6f8f9;
  --color-secondary-100: #eaeff1;
  --color-secondary-200: #d1e4ea;
  --color-secondary-300: #a3d9ea;
  --color-secondary-400: #7ac7e1;
  --color-secondary-500: #44b0d5;
  --color-secondary-600: #2a97bb;
  --color-secondary-700: #237c9a;
  --color-secondary-800: #2e5866;
  --color-secondary-900: #2b3b40;
  --color-secondary-950: #1d272a;

  /* ─── Colors: Accent ─── */
  --color-accent-50: #f9f9f5;
  --color-accent-100: #f2f1e9;
  --color-accent-200: #efeccd;
  --color-accent-300: #f7ef97;
  --color-accent-400: #f3e768;
  --color-accent-500: #eede2b;
  --color-accent-600: #d4c411;
  --color-accent-700: #afa10e;
  --color-accent-800: #706924;
  --color-accent-900: #434128;
  --color-accent-950: #2d2b1b;

  /* ─── Colors: Neutral ─── */
  --color-neutral-50: #f8f7f8;
  --color-neutral-100: #eeecee;
  --color-neutral-200: #dfdddf;
  --color-neutral-300: #c8c5c9;
  --color-neutral-400: #afaab1;
  --color-neutral-500: #8f8891;
  --color-neutral-600: #756e77;
  --color-neutral-700: #605b62;
  --color-neutral-800: #4b474d;
  --color-neutral-900: #373338;
  --color-neutral-950: #242225;

  /* ─── Colors: Semantic ─── */
  --color-success: #4ace97;
  --color-success-light: #202d27;
  --color-warning: #daa13e;
  --color-warning-light: #2e281e;
  --color-error: #ce4a76;
  --color-error-light: #2d2024;
  --color-info: #4a97ce;
  --color-info-light: #20272d;

  /* ─── Colors: Surface ─── */
  --color-background: #100e11;
  --color-foreground: #e6e4e7;
  --color-card: #1d1a1e;
  --color-card-foreground: #e6e4e7;
  --color-muted: #272428;
  --color-muted-foreground: #969098;
  --color-border: #2f2c30;
  --color-input: #242225;
  --color-ring: #af47d1;

  /* ─── Typography ─── */
  --font-heading: Orbitron, sans-serif;
  --font-body: IBM Plex Sans, sans-serif;
  --font-mono: JetBrains Mono, monospace;

  /* ─── Spacing ─── */
  --space-lg: 14px;
  --space-md: 10px;
  --space-sm: 5px;
  --space-xl: 19px;
  --space-xs: 2px;
  --space-2xl: 29px;
  --space-3xl: 38px;
  --space-4xl: 58px;

  /* ─── Border Radius ─── */
  --radius-lg: 10px;
  --radius-md: 5px;
  --radius-sm: 2px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --radius-none: 0px;

  /* ─── Shadows ─── */
  --shadow-low: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 4px rgba(180, 60, 221, 0.1);
  --shadow-mid: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 12px rgba(180, 60, 221, 0.15);
  --shadow-high: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(180, 60, 221, 0.2);
  --shadow-glow: 0 0 40px rgba(180, 60, 221, 0.3), 0 0 80px rgba(180, 60, 221, 0.15);

  /* ─── Motion ─── */
  --duration-micro: 50ms;
  --duration-fast: 100ms;
  --duration-normal: 180ms;
  --duration-slow: 250ms;
  --duration-glacial: 400ms;
  --easing-default: cubic-bezier(0.2, 0, 0, 1);
  --easing-entrance: cubic-bezier(0, 0, 0.2, 1);
  --easing-exit: cubic-bezier(0.4, 0, 1, 1);
  --easing-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --easing-spring: cubic-bezier(0.22, 1.2, 0.36, 1);

  /* ─── Elevation ─── */
  --elevation-sunken: #050506;
  --elevation-base: #0d0c0e;
  --elevation-raised: #201c21;
  --elevation-floating: #302a32;
  --elevation-overlay: #453d48;

  /* ─── Component Scale (compact) ─── */
  --comp-padding-x: 8px;
  --comp-padding-y: 4px;
  --comp-gap: 4px;
  --comp-border-width: 1px;
  --comp-font-size: 12px;
  --comp-input-height: 28px;
  --comp-button-height: 28px;
  --comp-icon-size: 14px;

  /* ─── Grid (dense) ─── */
  --grid-columns: 16;
  --grid-gutter: 12px;
  --grid-margin: 16px;
  --grid-max-width: 1440px;

  /* ─── Selection ─── */
  --selection-bg: #5a2b69;
  --selection-fg: #efe9f1;
}
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