Custom Slack emoji
Custom Slack emoji
:siren-blue: - siren blue Slack emoji
siren blue
Free PNG, sized for the Slack emoji picker. Add to any workspace in about 30 seconds.
- Added
- Apr 18, 2026
- Popularity
- #67,394/ 80,192
- Workspaces
- <1%
Similar names
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Names starting with sir.
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How to add it
Add :siren-blue: to Slack in ~30 seconds
Fastest· One click
Install the EmojiBox Chrome extension and push :siren-blue: straight to Slack from this page — no download, no upload.
Get the extensionOr do it manually
- Click Download PNG at the top.
- In Slack, open the emoji picker and choose Add custom emoji.
- Upload the file, name it siren-blue, and you're done.
