ỹ is the Unicode character LATIN SMALL LETTER Y WITH TILDE, code point U+1EF9 (decimal 7929) in the Latin Extended Additional block, added in Unicode 1.1. In HTML write ỹ, and in UTF-8 it is the 3 bytes E1 BB B9.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1EF9 |
| Decimal | 7929 |
| UTF-8 bytes | E1 BB B9 |
| UTF-16 (big-endian) | 1EF9 |
| UTF-32 | 00001EF9 |
| HTML decimal | ỹ |
| HTML hex | ỹ |
| CSS | \1EF9 |
| JavaScript | \u1EF9 |
| JSON | \u1EF9 |
| Python | \u1EF9 |
| Python by name | \N{LATIN SMALL LETTER Y WITH TILDE} |
| Java, C# | \u1EF9 |
| Rust, Swift | \u{1EF9} |
| Go, C, C++ | \u1EF9 |
| URL (percent-encoded) | %E1%BB%B9 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | LATIN SMALL LETTER Y WITH TILDE |
| Code point | U+1EF9 (decimal 7929) |
| Block | Latin Extended Additional (U+1E00–U+1EFF) |
| General category | Ll: Lowercase letter |
| Script | Latin |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
LATIN SMALL LETTER Y WITH TILDE is canonically equivalent to the sequence below. Normalising text to NFD splits it into these parts; NFC joins them back into U+1EF9. Search and comparison should normalise first, or the two spellings will not match.
Upper and lower case
- Ỹ U+1EF8 Latin Capital Letter Y With Tilde — Uppercase
Nearby in Latin Extended Additional
- ự U+1EF1 Latin Small Letter U With Horn And Dot Below
- Ỳ U+1EF2 Latin Capital Letter Y With Grave
- ỳ U+1EF3 Latin Small Letter Y With Grave
- Ỵ U+1EF4 Latin Capital Letter Y With Dot Below
- ỵ U+1EF5 Latin Small Letter Y With Dot Below
- Ỷ U+1EF6 Latin Capital Letter Y With Hook Above
- ỷ U+1EF7 Latin Small Letter Y With Hook Above
- Ỹ U+1EF8 Latin Capital Letter Y With Tilde
- Ỻ U+1EFA Latin Capital Letter Middle-Welsh Ll
- ỻ U+1EFB Latin Small Letter Middle-Welsh Ll
- Ỽ U+1EFC Latin Capital Letter Middle-Welsh V
- ỽ U+1EFD Latin Small Letter Middle-Welsh V
- Ỿ U+1EFE Latin Capital Letter Y With Loop
- ỿ U+1EFF Latin Small Letter Y With Loop
All 256 characters: Latin Extended Additional.
Official reference
Questions people ask
- What is the HTML code for ỹ?
- Use ỹ (decimal) or ỹ (hex).
- What is the UTF-8 encoding of U+1EF9?
- E1 BB B9 (hex), 3 bytes. In a URL it is %E1%BB%B9.
- How do I write U+1EF9 in JavaScript or Python?
- JavaScript: \u1EF9. Python: \u1EF9.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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