HTML Entity for Uppercase O Tilde (Õ)
What You'll Learn
How to display the uppercase O with tilde (Õ) in HTML using named entity, hexadecimal, decimal, and CSS escape methods. This character is U+00D5 in the Latin-1 Supplement block—the letter O with a tilde (˜) above. It is a distinct letter in Portuguese and Estonian orthography.
Render it with Õ, Õ, Õ, or CSS escape \00D5. HTML provides the named entity Õ for this character. In UTF-8 documents you can also type Õ directly. Do not confuse Õ with Ñ (N tilde), Ã (A tilde), or Ɵ (O middle tilde).
⚡ Quick Reference — Uppercase O Tilde Entity
U+00D5Latin-1 Supplement
ÕHexadecimal reference
ÕDecimal reference
ÕHTML5 named entity
Name Value
──────────── ──────────
Unicode U+00D5
Hex code Õ
HTML code Õ
Named entity Õ
CSS code \00D5
Meaning Latin capital letter O with tilde
Related U+00F5 = õ (lowercase, õ)
Block Latin-1 Supplement (U+0080–U+00FF)Complete HTML Example
A simple example showing the uppercase O tilde (Õ) using the named entity, hexadecimal code, decimal HTML code, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\00D5";
}
</style>
</head>
<body>
<p>Symbol (hex): Õ</p>
<p>Symbol (decimal): Õ</p>
<p>Symbol (named): Õ</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase O tilde (Õ) and the named entity Õ are supported in all modern browsers:
👀 Live Preview
See the uppercase O tilde (Õ) in Portuguese and Estonian contexts:
🧠 How It Works
Named Entity
Õ is the HTML named entity for O tilde—readable in source HTML and widely used for Portuguese and Estonian content.
Hexadecimal Code
Õ uses the Unicode hexadecimal value 00D5 to display the character. The x prefix indicates hexadecimal format.
Decimal HTML Code
Õ uses the decimal Unicode value 213 to display the same character. A common method when a numeric reference is needed.
CSS Entity
\00D5 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All four methods produce the glyph: Õ. Unicode U+00D5 sits in Latin-1 Supplement. Lowercase equivalent: U+00F5 (õ, õ). Do not confuse with Ñ (N tilde), Ã (A tilde), or Ɵ (middle tilde).
Use Cases
The uppercase O tilde (Õ) is commonly used in:
Capitalized words and titles (PÕE, LIMÕES). Õ is a distinct letter in Portuguese and Brazilian Portuguese.
Used in Estonian orthography at sentence start or in titles (ÕUN, SÕBER). Õ is a separate letter in the Estonian alphabet.
Menus, search, forms, and content for Portuguese and Estonian audiences. Correct Õ improves readability and SEO.
Lessons, dictionaries, and educational apps teaching Portuguese or Estonian pronunciation and spelling.
Personal names, product names, and localized branding that contain the capital letter Õ.
Using U+00D5 or Õ with proper lang attributes ensures assistive technologies pronounce text correctly.
When generating markup, Õ or Õ guarantees correct Portuguese or Estonian letter output.
💡 Best Practices
Do
- Use U+00D5 (Õ) for Portuguese and Estonian text
- Prefer
Õover numeric codes when using entities—it is more readable - Set
lang="pt"orlang="et"on content blocks - Serve pages as UTF-8; you can also type Õ directly in UTF-8 source
- Distinguish Õ from Ñ (N tilde), Ã (A tilde), and Ɵ (middle tilde)
Don’t
- Substitute plain
Oor~Owhen Õ is required - Confuse Õ (tilde above) with Ɵ (middle tilde through the letter)
- Use Õ in words that need à (e.g. SÃo uses A-tilde, not O-tilde)
- Put CSS escape
\00D5in HTML text nodes - Mix entity styles inconsistently within the same project
Key Takeaways
Four references render Õ; named entity is Õ
Õ Õ ÕFor CSS stylesheets, use the escape in the content property
\00D5Unicode U+00D5 — LATIN CAPITAL LETTER O WITH TILDE
Portuguese & Estonian; lowercase is õ (õ)
Previous: Uppercase O Stroke Acute (Ǿ) Next: Uppercase O Tilde Macron
❓ Frequently Asked Questions
Õ, hexadecimal Õ, decimal Õ, or \00D5 in CSS content. The named entity is the most readable. In UTF-8 you can also type Õ directly.U+00D5 (LATIN CAPITAL LETTER O WITH TILDE). Latin-1 Supplement block. Hex 00D5, decimal 213. Used in Portuguese and Estonian. Lowercase form is U+00F5 (õ, õ).Õ. You can also use Õ, Õ, or the CSS entity \00D5. In UTF-8 pages you can type Õ directly.Ñ). They are different letters—use the one that matches your language.Explore More HTML Entities!
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