# Source Sans 3 font

> Paul D. Hunt's interface sans for Adobe, the company's first open source family, variable from 200 to 900 with italics.

Source Sans 3 is a sans serif family designed by Paul D. Hunt for Adobe and intended for user interfaces; Source Sans was Adobe's first open source typeface family. Source Sans 3 is a variable font with a weight axis from 200 to 900 italics and 2,478 glyphs. It is released under the SIL Open Font License 1.1.

## Facts

- Classification: [Sans Serif](https://trendhub.net/fonts/category/sans-serif)
- Designed by: Paul D. Hunt
- License: SIL Open Font License 1.1 (https://openfontlicense.org/open-font-license-official-text/)
- Styles: 16 (ExtraLight 200, Light 300, Regular 400, Medium 500, SemiBold 600, Bold 700, ExtraBold 800, Black 900; with italics)
- Variable font: Yes (wght 200–900)
- Glyphs: 2478
- Character sets: cyrillic, cyrillic-ext, greek, greek-ext, latin, latin-ext, vietnamese
- Last updated: 2025-09-05
- Official source: https://fonts.google.com/specimen/Source+Sans+3
- Page: https://trendhub.net/fonts/source-sans-3
- Tagged for: Body text, Interfaces, Editorial

## About Source Sans 3

Source Sans 3 is a sans serif family from Adobe, drawn by Paul D. Hunt to work in user interfaces; the official notes call the Source Sans design Adobe's first open source typeface family. The specimen shows slender, upright letters with open shapes in a, c, e and s, moderate width and a lowercase of medium height, the proportions of a humanist sans. The family is a variable font with one axis, weight, running from 200 to 900. Eight named weights, ExtraLight, Light, Regular, Medium, SemiBold, Bold, ExtraBold and Black, each have an italic, making 16 styles. With 2,478 glyphs the fonts cover Latin, Latin Extended, Vietnamese, Cyrillic and Greek character sets, including the extended Cyrillic and Greek ranges. The license is the SIL Open Font License 1.1, and the notice reserves the font name Source.

## License

SIL Open Font License 1.1. Copyright 2010-2020 Adobe (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe in the United States and/or other countries.

Allowed:
- Use the fonts in personal and commercial work, in print, on the web and in apps.
- Modify the fonts and build new versions from them.
- Redistribute the fonts, on their own or bundled with software, as long as the license text and copyright notice go with them.

Conditions:
- The fonts cannot be sold by themselves.
- A modified version must stay under the same license and cannot use a Reserved Font Name without the copyright holder's permission.
- The authors' names cannot be used to promote a modified version without permission.

Summary only, not legal advice. Full text: https://openfontlicense.org/open-font-license-official-text/

## Where it works

- **Application interfaces**: The family was intended for user interfaces, and its open letter shapes keep menus, dialogs and form labels clear.
- **Documentation and help centres**: Regular with its italic sets long instructions, and Source Code Pro supplies matching monospaced examples.
- **Websites in Latin, Cyrillic and Greek**: The 2,478 glyphs cover Vietnamese, Russian, Ukrainian, Bulgarian and Greek next to Western and Central European languages.
- **Reports and editorial pages**: Eight weights give separate cuts for body copy, subheads and large light titles, and Source Serif 4 is its serif counterpart.
- **Accessible body copy**: Open apertures and moderate width keep paragraphs even at the 400 weight on screens.

## Things to know

- **The default instance is ExtraLight**: The variable file's weight axis defaults to 200, the thin cut shown in the specimen heading. Set font-weight explicitly.
- **Two variable files**: One file holds the roman styles and one the italics; both run from 200 to 900.
- **Reserved font name**: The license notice reserves the name Source, a trademark of Adobe.

## FAQs

### Is Source Sans 3 free for commercial use?

Yes. Source Sans 3 is published under the SIL Open Font License 1.1, which permits personal and commercial use, modification and redistribution. The fonts cannot be sold on their own, and modified versions must stay under the same license and may not use the reserved name Source.

### Who designed Source Sans 3?

Source Sans 3 was designed by Paul D. Hunt and is published by Adobe.

### How many weights does Source Sans 3 have?

Source Sans 3 has eight named weights, from ExtraLight 200 to Black 900, each with an italic, which makes 16 styles.

### Is Source Sans 3 a variable font?

Yes. Source Sans 3 is a variable font with a weight axis from 200 to 900.

### Which languages does Source Sans 3 support?

Source Sans 3 includes the letters needed for English and other Latin-script languages such as French, Czech, Hungarian, Turkish and Vietnamese, and for Russian, Ukrainian, Bulgarian and Greek.

### What fonts pair well with Source Sans 3?

Source Sans 3 has two relatives made to accompany it: Source Serif 4 for serif text and Source Code Pro for monospaced code.

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Source: https://trendhub.net/fonts/source-sans-3 (trendhub)