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PAIRING ID: IBM-POI // ETHOS: MONOSPACE + DISPLAY

Balancing IBM Plex Mono with Poiret One

Build a contrast-first system where IBM Plex Mono leads and Poiret One keeps long-form content legible.

Display Face

IBM Plex Mono

Weight: 700

Body Face

Poiret One

Weight: 400

This pairing is engineered for teams that need a clear hierarchy without sacrificing brand voice. IBM Plex Mono brings technical, corporate, engineered energy to hero units, pricing sections, and campaign headlines. Poiret One absorbs the heavy lifting for paragraphs, product storytelling, and UI labels with its geometric, thin, art-deco texture and dependable rhythm. Together they create a typography stack that scales from high-impact landing pages to dense documentation without retooling your CSS tokens.

Typographic Hierarchy & Scale

H1The Quick Fox
H2The Quick Fox
H3The Quick Fox
PThe quick brown fox jumps over...
Dark Context
Aa

High contrast negative space.

Accent
Gg

Legibility on high-chroma.

Pairing Strategy

Balancing IBM Plex Mono with Poiret One

Build a contrast-first system where IBM Plex Mono leads and Poiret One keeps long-form content legible.

This pairing is engineered for teams that need a clear hierarchy without sacrificing brand voice. IBM Plex Mono brings technical, corporate, engineered energy to hero units, pricing sections, and campaign headlines. Poiret One absorbs the heavy lifting for paragraphs, product storytelling, and UI labels with its geometric, thin, art-deco texture and dependable rhythm. Together they create a typography stack that scales from high-impact landing pages to dense documentation without retooling your CSS tokens.

IBM Plex Mono thrives as a headline face thanks to its technical, corporate, engineered qualities. Use weights 600–800 for crisp editorial lockups.
Poiret One excels in paragraphs and UI thanks to its geometric, thin, art-deco traits. Keep it between weights 400–600 for optimal readability.
Hierarchy guidance: run a 1:1.4 modular scale and reserve IBM Plex Mono for H1–H3 while Poiret One powers captions, body copy, and data tables.

Best-Fit Use Cases

  • High-growth SaaS landing pages that require technical hero statements with trustworthy product copy.
  • Editorial magazines and thought-leadership hubs where IBM Plex Mono can dramatize pull quotes while Poiret One keeps 1,500-word essays skimmable.
  • Conversion funnels or onboarding flows that need Poiret One's geometric voice to balance IBM Plex Mono's attention-grabbing display.

Accessibility Notes

Maintain a minimum 4.5:1 contrast ratio for Poiret One body copy and loosen letter-spacing to 0.01em for uppercase IBM Plex Mono moments. Pairing different categories demands disciplined color pairing—test both light and dark themes to ensure Poiret One does not bloom at small sizes.

CSS Implementation Cheatsheet

:root {
  --tm-header-family: 'IBM Plex Mono', monospace;
  --tm-body-family: 'Poiret One', display;
  --tm-header-weight: 600;
  --tm-body-weight: 400;
  --tm-header-tracking: -0.01em;
  --tm-body-tracking: 0em;
}
Heading scale: clamp(2.75rem, 4.5vw, 5.25rem) for H1, clamp(1.5rem, 2.8vw, 3rem) for H2, and keep paragraph size at 1rem–1.125rem with 1.6 line-height.
Component guidance: Buttons inherit IBM Plex Mono at 600 for momentum, while forms, tables, and footnotes stay on Poiret One with 400 weight for predictable kerning.

FAQs

Why does IBM Plex Mono make sense as the lead font?

IBM Plex Mono owns the emotional register of this system. Its technical, corporate, engineered profile helps anchor campaign creative, meaning marketing and product teams can reuse the same voice without reinventing the scale.

Where should Poiret One show up?

Poiret One is the workhorse. Keep it in paragraphs, long-form editorial, knowledge bases, or anywhere legibility is non-negotiable. Its geometric, thin, art-deco qualities reduce fatigue on dense layouts.

Does this pairing support complex localization?

Yes—both families are available on Google Fonts with generous glyph coverage. Test cyrillic/latin accents early, but most Latin-based locales and UI patterns are fully supported.