Oxygen
sans-serif · Designed by Vernon Adams
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Snippet updates automatically to match whichever weight you select above.
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Oxygen is a clean, humanist sans-serif designed specifically for screen readability. It has a straightforward, open character with modest stroke contrast and well-proportioned letterforms that feel neutral without being cold. The spacing is generous enough to aid legibility at small sizes, and its overall personality sits somewhere between the friendliness of a humanist sans and the efficiency of a geometric one. It does not draw attention to itself, which is generally a good thing for interface and body text work.
Oxygen works well as a UI font for web applications and dashboards where clarity under variable conditions matters more than typographic flair. It is a solid choice for corporate or tech-oriented websites that want a professional, approachable tone without leaning on overused options like Roboto or Open Sans. It also holds up well in editorial contexts like blog layouts or documentation sites where users spend extended time reading, since its screen-optimized design reduces strain without sacrificing personality entirely.
Best suited for: Oxygen suits interface design, web applications, dashboards, corporate websites, and extended-reading contexts like documentation or blog layouts where screen legibility is prioritized.
Design considerations: With three weights available, Oxygen accommodates hierarchy and emphasis needs across digital and print applications. Its humanist character and generous spacing make it particularly effective at smaller sizes, though its neutral personality means it works best when paired with more distinctive typefaces for visual contrast.
Pairing guidance: Pair Oxygen with Raleway for a cohesive sans-serif hierarchy emphasizing contrast through weight and proportion, Merriweather to introduce serif warmth for editorial sections or pull quotes, or Space Mono to establish technical distinction in code blocks, data displays, or interface elements requiring monospace treatment.
Pairs well with
Oxygen at a glance
Vernon Adams
SIL Open Font License 1.1
March 2012
September 2025
3 (3 weights)
Sans Serif
2
Google Fonts
All 3 Oxygen styles
| Weight | Name | Upright |
|---|---|---|
| 300 | Light | Aa Bb Gg 123 |
| 400 | Regular | Aa Bb Gg 123 |
| 700 | Bold | Aa Bb Gg 123 |
Oxygen character map
Which languages does Oxygen support?
Oxygen includes 2 character sets:
- Latin: English, Spanish, French, German, Italian, Portuguese and other Western European languages
- Latin Extended: Central and Eastern European languages such as Polish, Czech, Turkish, Romanian and Hungarian
It does not include Cyrillic or Greek characters, so it can't set Russian, Ukrainian or Greek text.
Can I use Oxygen commercially?
Yes, it's free for personal and commercial use. Oxygen is released under the SIL Open Font License 1.1. You can use it in logos, websites, apps, videos, printed products and merchandise without paying or asking permission. The one thing you can't do is sell the font file on its own.