The radioactive emoji is the classic nuclear hazard trefoil—aka the universal “do not lick this glowing barrel” sign. People drop it for anything dangerously spicy, wildly chaotic, or just plain toxic: a scorching hot take, a messy group chat, or a relationship that needs a hazmat team. It also tags nuclear energy talk, doomsday memes, Fallout marathons, and the occasional Homer-Simpson-at-work joke. Expect it in captions about Chernobyl documentaries, green “glow stick” cocktails, or microwaved leftovers that came out looking… extra.
On Apple/iOS, it’s a bold black trefoil with a central dot, set on a vivid yellow circular sign with a thick dark ring—flat, head-on, super crisp, and instantly readable. The high-contrast yellow-and-black vibe screams industrial warning, which makes it perfect for sarcasm (“my DMs: radioactive”), playful drama, or even flirty exaggeration (“your smile? radioactive—I’m glowing”). Creators often pair it with skulls, hazard tape, or Geiger-counter jokes to hint at contamination, bad vibes, or content that’s about to go nuclear. When a trend is blowing up, this emoji says stand back—there’s a meltdown brewing.
| Twitter Emoji Popularity (Rank) | 515 of 2393 |
| Apple/iOS Picture | ![]() |
| Google Android Picture | ![]() |
| Google Hangouts Picture | Image not available |
| Twitter.com Picture | Image not available |
| LG Emoji Picture | Image not available |
| Samsung Emoji Picture | Image not available |
| Phantom Open Emoji Picture | Not created yet |
| ASCII Conversion | |
| "Short Code" Name | |
| Keywords | |
| Previous Names: | Radioactive Sign |
| Emoji Code Version | iOS 9 Code |
|---|---|
| UTF-8 Unicode Character(s) | ☢ |
| UTF-8 Character Count | 1 |
| Character(s) In Input | |
| AppleColorEmoji Font (available in OSX/iOS) | ☢ |
| Decimal HTML Entity | ☢ |
| Hexadecimal HTML Entity | ☢ |
| Hex Code Point(s) | 2622 |
| Formal Unicode Notation | U+2622 |
| Decimal Code Point(s) | 9762 | UTF-8 Hex (C Syntax) | 0xE2 0x98 0xA2 |
| UTF-8 Hex Bytes | E2 98 A2 |
| UTF-8 Octal Bytes | 342 230 242 |
| UTF-16 Hex (C Syntax) | 0x2622 |
| UTF-16 Hex | 2622 |
| UTF-16 Dec | 9762 |
| UTF-32 Hex (C Syntax) | 0x00002622 |
| UTF-32 Hex | 2622 |
| UTF-32 Dec | 9762 |
| Python Src | u"\u2622" |
| PHP Src | "\xe2\x98\xa2" |
| C/C++/Java Src | "\u2622" |
| Emoji Code Version | iOS 10 - Current |
|---|---|
| UTF-8 Unicode Character(s) | ☢️ |
| UTF-8 Character Count | 2 |
| Character(s) In Input | |
| AppleColorEmoji Font (available in OSX/iOS) | ☢️ |
| Decimal HTML Entity | ☢ ️ |
| Hexadecimal HTML Entity | ☢ ️ |
| Hex Code Point(s) | 2622, fe0f |
| Formal Unicode Notation | U+2622, U+FE0F |
| Decimal Code Point(s) | 9762, 65039 | UTF-8 Hex (C Syntax) | 0xE2 0x98 0xA2, 0xEF 0xB8 0x8F |
| UTF-8 Hex Bytes | E2 98 A2, EF B8 8F |
| UTF-8 Octal Bytes | 342 230 242, 357 270 217 |
| UTF-16 Hex (C Syntax) | 0x2622, 0xFE0F |
| UTF-16 Hex | 2622, fe0f |
| UTF-16 Dec | 9762, 65039 |
| UTF-32 Hex (C Syntax) | 0x00002622 0x0000FE0F |
| UTF-32 Hex | 2622, FE0F |
| UTF-32 Dec | 9762, 65039 |
| Python Src | u"\u2622\uFE0F" |
| PHP Src | "\xe2\x98\xa2\xef\xb8\x8f" |
| C/C++/Java Src | "\u2622\uFE0F" |