Top Web-Safe Choices
- Sans-serif: Arial, Helvetica, Verdana, Trebuchet MS
- Serif: Georgia, Times New Roman
- System UI: Segoe UI (Windows), San Francisco (Apple), Roboto (Android)
Guidelines
- Use 13–15px for body text, 16–18px for names.
- Limit to one font family and two weights.
- Ensure sufficient contrast against background.
Brand Alignment
Match brand tone: humanist sans for approachable teams; classic serif for formal firms. Test across Gmail, Outlook, Apple Mail.
