HTML Entity for Uppercase O Middle Tilde (Ɵ)
What You'll Learn
How to display the uppercase O with middle tilde (Ɵ) in HTML using hexadecimal, decimal, and CSS escape methods. This character is U+019F in the Latin Extended-B block. The middle tilde is a horizontal stroke through the letter O, distinct from a tilde placed above the letter.
Render it with Ɵ, Ɵ, or CSS escape \019F. There is no named HTML entity for this character. In UTF-8 documents you can also type Ɵ directly. Do not confuse Ɵ with Õ (O with tilde above) or ɵ (barred o in IPA).
⚡ Quick Reference — Uppercase O Middle Tilde Entity
U+019FLatin Extended-B
ƟHexadecimal reference
ƟDecimal reference
—No named entity
Name Value
──────────── ──────────
Unicode U+019F
Hex code Ɵ
HTML code Ɵ
Named entity (none)
CSS code \019F
Meaning Latin capital letter O with middle tilde
Lowercase (no precomposed form in Unicode)
Block Latin Extended-B (U+0180–U+024F)Complete HTML Example
A simple example showing the uppercase O middle tilde (Ɵ) using hexadecimal code, decimal HTML code, the character directly, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\019F";
}
</style>
</head>
<body>
<p>Symbol (hex): Ɵ</p>
<p>Symbol (decimal): Ɵ</p>
<p>Symbol (direct): Ɵ</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase O middle tilde (Ɵ) is supported in all modern browsers as part of Latin Extended-B:
👀 Live Preview
See the uppercase O middle tilde (Ɵ) in linguistic and orthographic contexts:
🧠 How It Works
Hexadecimal Code
Ɵ uses the Unicode hexadecimal value 019F to display the character. The x prefix indicates hexadecimal format.
Decimal HTML Code
Ɵ uses the decimal Unicode value 415 to display the same character. A common method when a numeric reference is needed.
Direct Character
Type Ɵ directly in HTML when your document uses UTF-8 encoding. There is no named entity for this extended Latin letter.
CSS Entity
\019F is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All methods produce the glyph: Ɵ. Unicode U+019F sits in Latin Extended-B. Do not confuse with Õ (O with tilde above), ɵ (barred o), or θ (Greek theta).
Use Cases
The uppercase O middle tilde (Ɵ) is commonly used in:
Some African Latin writing systems use Ɵ for vowel distinctions at the start of sentences or in capitalized words.
Academic papers, language documentation, and reference works discussing extended Latin letters and diacritics.
Specialized phonetic or orthographic notation where the middle tilde through O is required (distinct from IPA barred o ɵ).
Educational resources teaching African languages or extended Latin character sets.
Font specimens and design projects showcasing Latin Extended-B and middle-tilde diacritic support.
Using the correct character (U+019F) ensures assistive technologies interpret orthographic content correctly.
When building HTML from linguistic data, using Ɵ or Ɵ guarantees correct output.
💡 Best Practices
Do
- Serve pages as UTF-8; you can type Ɵ directly in UTF-8 source
- Use numeric references (
ƟorƟ) when escaping is required - Use
\019Fin CSScontentwhen generating the symbol via pseudo-elements - Use fonts that support Latin Extended-B characters (U+0180–U+024F)
- Distinguish Ɵ (middle tilde) from Õ (tilde above) and ɵ (barred o)
Don’t
- Expect a named HTML entity—none exists for Ɵ
- Confuse Ɵ (middle tilde) with Õ (O with tilde above) or ɵ (IPA barred o)
- Substitute Greek theta (θ) when the Latin Ɵ is required
- Put CSS escape
\019Fin HTML text nodes - Use
\0019Fin CSS—the correct escape is\019F
Key Takeaways
Type Ɵ directly, or use hex/decimal references
Ɵ ƟFor CSS stylesheets, use the escape in the content property
\019FUnicode U+019F — LATIN CAPITAL LETTER O WITH MIDDLE TILDE
African orthographies and linguistics; no precomposed lowercase in Unicode
Previous: Uppercase O Macron (Ō) Next: Uppercase O Ogonek
❓ Frequently Asked Questions
Ɵ (hex), Ɵ (decimal), or \019F in CSS content. There is no named HTML entity for Ɵ. In UTF-8 you can also type Ɵ directly.U+019F (LATIN CAPITAL LETTER O WITH MIDDLE TILDE). Latin Extended-B block. Hex 019F, decimal 415. Used in African orthographies and linguistic notation. There is no standard precomposed lowercase counterpart in Unicode.Ɵ or Ɵ, or the CSS entity \019F. In UTF-8 pages you can type Ɵ directly.Explore More HTML Entities!
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