Product UI, display, editorial, monospace, licensing, and delivery tradeoffs. All research.
Research the range. Ship the disciplined pair. Interowns product UI and Geist Mono owns code-like detail. Every other family remains comparison evidence. This page does not authorize a third face.
Quiet at density. Clear at field size.
IDs, money, shortcuts, and code.
07 families
Interface type must stay legible at compact sizes, cover real product languages, preserve stable metrics, and disappear behind the work.
Product UI
Purpose-built interface type with a large x-height, broad language coverage, variable weight, and optical sizing.
OpenVariable weight + optical size · current UI family
Keep for controls, labels, body copy, and responsive product UI.
Neo-grotesque
The enduring neutral benchmark behind generations of product and identity systems.
CommercialPlatform availability is not a transferable web license
Study the neutrality; do not migrate without a proven operational gain.
Geometric sans
A broad geometric family with friendlier circular construction than a strict neo-grotesque.
CommercialCretype · 18 styles listed by the distributor
Useful brand evidence, but not a stronger UI default than Inter.
Developer product
A compact variable sans made for technical products and contemporary documentation.
OpenVariable family · strong developer-product benchmark
Study, do not add; it overlaps Inter and would create a third family.
Global system
An open corporate superfamily spanning product, editorial, data, code, and international scripts.
OpenSans, serif, mono, and condensed relatives
Use its family breadth as global-system evidence, not migration pressure.
Interface workhorse
Adobe's restrained humanist UI family with mature weights and language support.
OpenVariable + static builds · broad language support
Keep as a durable international UI benchmark; Inter remains default.
Accessibility
Character differences are deliberately exaggerated to support readers with low vision.
OpenSeven weights · variable fonts · 150+ languages
Accessibility benchmark only. The Type skill still limits Thorbis to Inter + Geist Mono.
06 families
These faces show how display personality changes hierarchy and brand memory. That evidence does not authorize another Thorbis family.
Expressive grotesque
An open variable family combining contrasting typographic histories with unmistakable character.
OpenVariable weight, width, and optical-size axes
Reference only. Its display voice does not create an approved Thorbis role.
Logo display
A tightly spaced 1970s display sans with a deliberately logo-like voice.
CommercialTypodermic · 35 styles · embedding license required
Reference only. Its logo voice is incompatible with dense controls and system UI.
Warm display
Soft, characterful shapes bring personality to identity and large editorial headlines.
CommercialTypeverything · ten weights + variable font
Reference only. A commercial display license would not create an approved Thorbis role.
Geometric display
A high-x-height family built to hold both headline and lead-paragraph roles.
CommercialAllCaps · 12 cuts · six styles + italics
Reference only. Its display proportions do not justify a third Thorbis family.
Contemporary display
A compact, slightly brutalist grotesque that performs best at assertive sizes.
Open14 styles · seven weights with slanted versions
Reference only. Its assertive proportions do not solve a missing Thorbis role.
Condensed headline
Tightly packed headline widths built for forceful scale rather than paragraphs.
CommercialLewis McGuffie · nine widths · four weights
Reference only. Its compression becomes a liability in operational UI.
04 families
Contrast changes editorial tone, while long-form reading and large display remain separate jobs. Both stay research-only under the Type contract.
Editorial display
A condensed display serif with sharp contrast and a restrained regular/italic family.
OpenRegular + italic · designed for large sizes
Reference only. The Type skill does not approve an editorial third face.
Retro editorial
A high-contrast family with enough display voices to carry a full identity system.
CommercialNicky Laatz · 30 fonts + two variable fonts
Reference only. Licensing does not create a third-face exception.
Transitional display
A high-contrast transitional serif intended for super-sized upright and italic use.
OpenStatic regular + italic display styles
Reference only. High contrast is unsuitable for product body and control type.
Long-form reading
A contemporary serif designed specifically for continuous reading on content-rich screens.
OpenVariable weight + optical size
Long-form benchmark only. No third-face exception is approved.
02 families
Fixed width is a functional signal for aligned data, code, identifiers, and shortcuts—not a decorative technology costume.
Operational mono
Compact technical detail without turning the product into a terminal costume.
OpenVariable family · current Thorbis mono
Keep for code, IDs, shortcuts, money, and aligned tabular detail.
Editorial mono
A low-contrast monospace designed to feel less mechanically geometric than many code faces.
OpenThree weights with upright + italic styles
Useful comparison, but it does not solve a missing Thorbis role.
The canonical Type skill owns Thorbis law. These sourced findings cover licensing, payload, fallback metrics, scripts, zoom, and user-controlled spacing; they remain research until that owner adopts them.
Role precedes family choice. UI text, long-form reading, display, and monospaced data have different constraints. Comparisons become meaningful when each family is evaluated inside one named role.
Web rights are separate from desktop rights. Web adoption requires confirmed embedding, traffic or seat limits, applications, redistribution, derivatives, and fallbacks. System availability does not prove web rights.
WOFF2 and subsetting reduce payload. Subsetting to real language coverage and removing unused weights reduces transfer. A variable font can replace several styles, while one static cut may still be smaller for a one-style role.
Preload helps only critical above-fold text. Preconnect can help an unavoidable font origin, and self-hosting can help when the license and cache strategy allow it. Preloading below-the-fold fonts adds work without protecting first render.
Font swap and fallback metrics are one problem. font-display choices work with fallback matching. size-adjust plus ascent, descent, and line-gap overrides reduce reflow when the web font arrives.
User reading settings expose fragile layouts. Robust layouts survive browser zoom, user styles, narrow widths, 1.5× line height, 2× paragraph spacing, .12em letter spacing, and .16em word spacing without clipping.
Hostile strings reveal false confidence. Pairs such as 0/O, 1/l/I, and rn/m—plus punctuation, currency, fractions, long names, diacritics, non-Latin scripts, and tabular numbers—expose weaknesses at real interface sizes.
Inter remains the approved UI face; the other sans families are comparison evidence.
Geist Mono remains the approved face for code-like detail, IDs, money, and shortcuts.
Expressive sans and serif specimens document contrast; they do not approve a third face.
Atkinson Hyperlegible Next records useful legibility evidence without changing the stack.
Each card links to its foundry, maintainer, or distributor. These standards and browser references support the delivery findings.
Reviewed 2026-09-06. These examples reinforce the existing owners; they do not introduce another visual style or claim the product behavior is implemented. Read the 26-source review and access limits.
Changing digits, shifting labels, and brittle wrapping make money and status harder to inspect.
Evaluate numeric alignment where amounts are compared, stable action labels during requests, and wrapping with real content. Treat optical adjustments as controlled system decisions. Keep the existing font families and semantic type roles.
Thorbis example. An invoice comparison aligns changing amounts without hiding their currency or precision. A long property name wraps without displacing the next action. Save remains the action; the adjacent status explains what happened.
Verify. Try zero, negative and large amounts, long names, missing values, fallback fonts, text expansion, and browser zoom. Compare readability at actual size rather than approving a magnified specimen alone.
Do not import. No blanket balanced wrapping on data rows, copied display face, custom page-local type scale, or status copy that claims more than the system knows.
Open the type skill · Evidence: Details that make interfaces feel better; Web Interface Guidelines; Invisible Details
