Mona Sans

Extra Light

Italic

200

Light

Italic

300

Regular

Italic

400

Medium

Italic

500

Semi Bold

Italic

600

Bold

Italic

700

Extra Bold

Italic

800

Black

Italic

900

Characters

Aa
Bb
Cc
Dd
Ee
Ff
Gg
Hh
Ii
Jj
Kk
Ll
Mm
Nn
Oo
Pp
Qq
Rr
Ss
Tt
Uu
Vv
Ww
Xx
Yy
Zz
Åå
Ææ
Çç
Éé
Øø
Ññ
Üü
Žž
1234567890
‘¿?’
“!”
- – —
(&)
[*]
{@}
€£¥$¢
:;,.
<>+÷×=

Mona Sans was commissioned by GitHub and drafted by the creative studio Degarism in close collaboration with GitHub’s brand team, launched in late 2022 alongside its robotic, technocratic companion Hubot Sans under the SIL Open Font License. Developed to anchor the visual identity of the global software platform, the face deliberately departs from the sterile, interchangeable neo-grotesques that have long dominated Silicon Valley tech branding. Instead, it looks backward to the industrial display types of the mid-twentieth century—recalling the muscular, flat-sided American gothics and European commercial grotesques—and translates their mechanical presence into a forward-looking, open-source variable instrument.

Anatomically, the design builds upon a sturdy, subtly squarish skeleton, where rounded strokes flatten along their vertical perimeters into distinct super-elliptical curves. It features an ample x-height, sturdy stems, and crisp terminals sheared cleanly along horizontal and vertical axes, giving words a compact, architectural silhouette. The design’s structural flexibility is driven by a fluid, multidimensional variable engine that operates across three simultaneous axes: Weight (from UltraLight to Black), Width (spanning Condensed to Expanded), and Slant. In its narrow registers, the letterforms compress into tight, efficient columns that conserve horizontal space; when dialed outward toward the Expanded grades, the counters open broadly, turning characters like O, C, and G into authoritative, cinematic display forms that carry heavy headline mass without losing their crisp internal definition.

This parametric elasticity firmly defines its operational domain. Mona Sans is unsuited for the uninterrupted, delicate rhythm of classical book publishing or continuous literary narrative, where its low stroke modulation and industrial geometry would eventually fatigue the reading eye. It thrives instead in modern digital interfaces, developer tooling, marketing landing pages, technical documentation, and dynamic screen collateral. Its ability to pivot instantaneously from compact, utilitarian UI labels to wide, impactful branding mastheads makes it an exceptionally agile asset for screen-first design systems. Within the open catalog, Mona Sans stands as a prime model of contemporary tech-vernacular design: an alphabet that reinterprets mid-century industrial utility through the adaptable mechanics of the modern variable font.

Words

Questography

difficult waffles

Havana Plywood

Château d’Yquem

Högertrafikomläggningen

hamburgevontpids

Headlines

Extra Light · 200

Brawny gods just flocked up to quiz and vex him

Extra Light Italic · 200

Brawny gods just flocked up to quiz and vex him

Light · 300

Amazingly few discotheques provide jukeboxes

Light Italic · 300

Amazingly few discotheques provide jukeboxes

Regular · 400

Why shouldn’t a quixotic Kazakh vampire jog barefoot?

Regular Italic · 400

Why shouldn’t a quixotic Kazakh vampire jog barefoot?

Medium · 500

Grumpy wizards make a toxic brew for the jovial queen

Medium Italic · 500

Grumpy wizards make a toxic brew for the jovial queen

Semi Bold · 600

Jackie will budget for the most expensive zoology equipment

Semi Bold Italic · 600

Jackie will budget for the most expensive zoology equipment

Bold · 700

Monsieur Jack, vous dactylographiez bien mieux que votre ami Wolf

Bold Italic · 700

Monsieur Jack, vous dactylographiez bien mieux que votre ami Wolf

Extra Bold · 800

Jeg begynte å fortære en sandwich mens jeg kjørte taxi på vei til quiz

Extra Bold Italic · 800

Jeg begynte å fortære en sandwich mens jeg kjørte taxi på vei til quiz

Black · 900

Victor jagt zwölf Boxkämpfer quer über den großen Sylter Deich

Black Italic · 900

Victor jagt zwölf Boxkämpfer quer über den großen Sylter Deich

Paragraphs

With matted beard, and swathed in a bristling shark-skin apron, about mid-day, Perth was standing between his forge and anvil, the latter placed upon an iron-wood log, with one hand holding a pike-head in the coals, and with the other at his forge’s lungs, when Captain Ahab came along, carrying in his hand a small rusty-looking leathern bag. While yet a little distance from the forge, moody Ahab paused; till at last, Perth, withdrawing his iron from the fire, began hammering it upon the anvil—the red mass sending off the sparks in thick hovering flights, some of which flew close to Ahab. “Are these thy Mother Carey’s chickens, Perth? they are always flying in thy wake; birds of good omen, too, but not to all;—look here, they burn; but thou—thou liv’st among them without a scorch.” “Because I am scorched all over, Captain Ahab,” answered Perth, resting for a moment on his hammer; “I am past scorching; not easily can’st thou scorch a scar.” “Well, well; no more. Thy shrunk voice sounds too calmly, sanely woeful to me. In no Paradise myself, I am impatient of all misery in others that is not mad. Thou should’st go mad, blacksmith; say, why dost thou not go mad? How can’st thou endure without being mad? Do the heavens yet hate thee, that thou can’st not go mad?—What wert thou making there?”

With matted beard, and swathed in a bristling shark-skin apron, about mid-day, Perth was standing between his forge and anvil, the latter placed upon an iron-wood log, with one hand holding a pike-head in the coals, and with the other at his forge’s lungs, when Captain Ahab came along, carrying in his hand a small rusty-looking leathern bag. While yet a little distance from the forge, moody Ahab paused; till at last, Perth, withdrawing his iron from the fire, began hammering it upon the anvil—the red mass sending off the sparks in thick hovering flights, some of which flew close to Ahab. “Are these thy Mother Carey’s chickens, Perth? they are always flying in thy wake; birds of good omen, too, but not to all;—look here, they burn; but thou—thou liv’st among them without a scorch.” “Because I am scorched all over, Captain Ahab,” answered Perth, resting for a moment on his hammer; “I am past scorching; not easily can’st thou scorch a scar.” “Well, well; no more. Thy shrunk voice sounds too calmly, sanely woeful to me. In no Paradise myself, I am impatient of all misery in others that is not mad. Thou should’st go mad, blacksmith; say, why dost thou not go mad? How can’st thou endure without being mad? Do the heavens yet hate thee, that thou can’st not go mad?—What wert thou making there?”

With matted beard, and swathed in a bristling shark-skin apron, about mid-day, Perth was standing between his forge and anvil, the latter placed upon an iron-wood log, with one hand holding a pike-head in the coals, and with the other at his forge’s lungs, when Captain Ahab came along, carrying in his hand a small rusty-looking leathern bag. While yet a little distance from the forge, moody Ahab paused; till at last, Perth, withdrawing his iron from the fire, began hammering it upon the anvil—the red mass sending off the sparks in thick hovering flights, some of which flew close to Ahab. “Are these thy Mother Carey’s chickens, Perth? they are always flying in thy wake; birds of good omen, too, but not to all;—look here, they burn; but thou—thou liv’st among them without a scorch.” “Because I am scorched all over, Captain Ahab,” answered Perth, resting for a moment on his hammer; “I am past scorching; not easily can’st thou scorch a scar.” “Well, well; no more. Thy shrunk voice sounds too calmly, sanely woeful to me. In no Paradise myself, I am impatient of all misery in others that is not mad. Thou should’st go mad, blacksmith; say, why dost thou not go mad? How can’st thou endure without being mad? Do the heavens yet hate thee, that thou can’st not go mad?—What wert thou making there?”

Stylistic sets
Size128
Weight400
Width100%
Optical size0

Optical Size

font-variation-settings: 'opsz';

Optical

'opsz' 0

Optical

'opsz' 50

Optical

'opsz' 100

Width

font-variation-settings: 'wdth';

Flexible

'wdth' 75

Flexible

'wdth' 100

Flexible

'wdth' 125

Standard Ligatures

font-feature-settings: 'liga';

ffff
fifi
flfl
ffiffi
fyfy
titi
tttt

Figures

1234567890

Proportional Lining (default)

1234567890

Tabular Lining: 'tnum'

1/2 3/4

Fractions: 'frac'

H123

Numerators: 'numr'

H123

Denominators: 'dnom'

H123

Subscripts: 'subs'

H123

Scientific Inferiors: 'sinf'

H123

Superscripts: 'sups'

Ordinals

font-feature-settings: 'ordn';

1st1st
3a3a

Case Sensitive Forms

font-feature-settings: 'case';

¿¡¿¡
H–HH–H

Stylistic Sets

font-feature-settings: 'ss--';

ÄéÄé

'ss01' · Square accents

II

'ss02' · Wide uppercase I

ll

'ss03' · Lowercase l with tail

ll

'ss04' · Lowercase l with top serif

aa

'ss05' · Double-storey a

gg

'ss06' · Double-storey g

GG

'ss07' · Square G

00

'ss08' · Tabular zero

QQ

'ss09' · Alternate Q

JJ

'ss10' · Alternate J

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