HTML Entity for Uppercase Y Acute (Ý)
What You'll Learn
How to display the uppercase Y with acute accent (Ý) in HTML using named entity, hexadecimal, decimal, and CSS escape methods. Essential for Icelandic and Faroese text, it appears in words such as Ýlir (yew) and Ýmislegt (various). In Czech, Ý is a distinct letter (e.g. Ýdra, yolk). It is U+00DD in the Latin-1 Supplement block.
Render it with Ý, Ý, Ý, or CSS escape \00DD. The named entity Ý is often the most readable option. Do not confuse Ý (Y acute) with plain Y (U+0059) or Ŷ (Y circumflex).
⚡ Quick Reference — Uppercase Y Acute Entity
U+00DDLatin-1 Supplement
ÝHexadecimal reference
ÝDecimal reference
ÝMost readable option
Name Value
──────────── ──────────
Unicode U+00DD
Hex code Ý
HTML code Ý
Named entity Ý
CSS code \00DD
Meaning Latin capital letter Y with acute
Also known as Y acute
Related U+00FD = ý (ý)
Block Latin-1 Supplement (U+0080–U+00FF)Complete HTML Example
A simple example showing the uppercase Y acute (Ý) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\00DD";
}
</style>
</head>
<body>
<p>Symbol (hex): Ý</p>
<p>Symbol (decimal): Ý</p>
<p>Symbol (named): Ý</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase Y acute (Ý) and the named entity Ý are supported in all modern browsers:
👀 Live Preview
See the uppercase Y acute (Ý) in Icelandic, Czech, and multilingual contexts:
🧠 How It Works
Hexadecimal Code
Ý uses the Unicode hexadecimal value DD to display the character. The x prefix indicates hexadecimal format.
Decimal HTML Code
Ý uses the decimal Unicode value 221 to display the same character. A common method for Latin-1 characters.
Named Entity
Ý is the standard named entity for Ý—readable in source HTML and part of the HTML5 entity set.
CSS Entity
\00DD is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Use Cases
The uppercase Y acute (Ý) is commonly used in:
Essential in words like Ýlir (yew), Ýmislegt (various), and Ýr (yew branch). A distinct letter in the Icelandic alphabet.
Used in Faroese orthography where Ý represents a distinct vowel sound at the start of words.
Ý is a distinct letter in Czech, marking a long vowel (e.g. Ýdra, yolk).
Icelandic, Faroese, and Czech place names, surnames, and brands that include Ý must display correctly.
Language learning apps, dictionaries, and pronunciation guides teaching Nordic and Slavic languages.
Multilingual websites, forms, and CMS content requiring correct Icelandic, Faroese, or Czech spelling.
Correct rendering so users can find content with words containing Ý in their native spelling.
💡 Best Practices
Do
- Use
Ýin HTML when possible for readability - Serve pages as UTF-8; you can also type Ý directly in UTF-8 source
- Set
lang="is"orlang="cs"on content for correct pronunciation - Use fonts that support Latin-1 Supplement characters
- Distinguish Ý (acute) from plain
Yand Ŷ (circumflex)
Don’t
- Substitute plain
Ywhen Ý is required for correct Icelandic, Faroese, or Czech spelling - Confuse Ý (acute) with Ŷ (circumflex) or Ú (U acute)
- Use the old incorrect CSS escape
\000DD—the correct value is\00DD - Put CSS escape
\00DDin HTML text nodes - Omit UTF-8 encoding on pages with accented characters
Key Takeaways
Four references render Ý; named entity is most readable
Ý Ý ÝFor CSS stylesheets, use the escape in the content property
\00DDUnicode U+00DD — LATIN CAPITAL LETTER Y WITH ACUTE
Essential for Icelandic, Faroese, and Czech; lowercase is ý (U+00FD, ý)
Previous: Uppercase Y (Y) Next: Uppercase Y Circumflex (Ŷ)
❓ Frequently Asked Questions
Ý (named), Ý (hex), Ý (decimal), or \00DD in CSS content. All four methods render Ý correctly.U+00DD (LATIN CAPITAL LETTER Y WITH ACUTE). Latin-1 Supplement block. Hex DD, decimal 221. Used in Icelandic, Faroese, and Czech. Lowercase form is U+00FD (ý) with named entity ý.Ý), used in Icelandic, Faroese, and Czech. Y (U+0059) is the plain uppercase letter. They are different characters with different Unicode values.Ý is easier to read in hand-written HTML. Numeric codes are useful when generating markup programmatically. All produce the same character Ý.Explore More HTML Entities!
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