:5c16875e-be11-400f-8bb7-2de2bac52824: - 5c16875e be11 400f 8bb7 2de2bac52824 Slack emoji

Install the EmojiBox Chrome extension and push :5c16875e-be11-400f-8bb7-2de2bac52824: straight to Slack from this page — no download, no upload.

Or do it manually

1. Click Download PNG at the top.
2. In Slack, open the emoji picker and choose Add custom emoji.
3. Upload the file, name it 5c16875e-be11-400f-8bb7-2de2bac52824, and you're done.