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Does CSS accent-color Work in HTML Email?
Sets the accent color for UI elements such as checkboxes, radio buttons, and range inputs.
Quick Answer
Does accent-color work in HTML email?
The CSS accent-color property is supported in Apple Mail, Samsung Email. It is NOT supported in Gmail, Outlook (Windows), Outlook (Mac / Web), and others. Always include a safe fallback for unsupported clients.
Which Email Clients Support CSS accent-color?
CSS support for accent-color across email clients
| Email Client | Desktop | Mobile / Web | Notes |
|---|---|---|---|
| Gmail | ✗ No | ✗ No | — |
| Outlook (Windows) | ✗ No | ? | — |
| Outlook (Mac / Web) | ✗ No | ✗ No | — |
| Apple Mail | ✓ Yes | ✓ Yes | — |
| Yahoo! Mail | ✗ No | ✗ No | — |
| Samsung Email | ? | ✓ Yes | — |
| Thunderbird | ? | ? | — |
| ProtonMail | ✗ No | ✗ No | — |
| Fastmail | ✗ No | ? | — |
Notes
- #1 Supports `accent-color` but rendering depends on browser support.
Frequently Asked Questions
Test Your Email Now
Paste your HTML and see how it renders in clients that don't support accent-color.