Greek Small Letter Upsilon with Dasia ὑ
ὑ (U+1F51) is a standard Unicode character that you can copy and paste anywhere text is accepted. This page provides a concise reference with safe tips, internal links, and practical guidance so you can use it reliably across apps and platforms.
What it is and where it’s used: Greek Small Letter Upsilon with Dasia is part of the Symbols family (block: Greek Extended). If you need styled or decorative alternatives, try our Fancy Text tool to generate compatible text that works in most modern interfaces.
Copy and input: the quickest method is to copy the character here. You can also insert it by its codepoint U+1F51 in many development tools or editors. Some operating systems provide a character viewer or input palette that lets you search by name or code and insert the glyph into documents.
Display and fallback: if you see an empty box (tofu) or a placeholder rectangle, the active font might not include this codepoint. Switching to a font with broader Unicode coverage or using a fallback font usually fixes the issue. On the web, ensure the page’s font stack includes a general‑purpose fallback.
Related references: browse the Categories for similar characters. When choosing a symbol, prefer the official codepoint for semantic clarity and better compatibility with search, copy, and accessibility tooling.
See our category page for related symbols.
Technical details
- Codepoint:
U+1F51 - General Category:
Ll - Age:
1.1 - Bidi Class:
L - Decomposition:
03C5 0314 - Block:
Greek Extended - Script:
Greek - UTF-8:
E1 BD 91 - UTF-16:
1F51 - UTF-32:
00001F51 - HTML dec:
ὑ - HTML hex:
ὑ - JS escape:
\u1F51 - Python \N{}:
\N{GREEK SMALL LETTER UPSILON WITH DASIA} - Python \u:
\u1F51 - Python \U:
\U00001F51 - URL-encoded:
%E1%BD%91 - CSS escape:
\1F51
How to type / insert
Fast copy: click the Copy button near the top of this page.
By codepoint: in many editors and IDEs, you can insert via the Unicode code U+1F51 or a built‑in character picker.
HTML: use the numeric entity ὑ (hex) or ὑ (decimal) when an HTML entity is needed.
Compatibility & troubleshooting
Font support: if the symbol does not render, the current font likely lacks this codepoint. Choose a font with broad Unicode coverage or allow a fallback font.
Web pages: ensure your CSS font stack includes a general fallback; avoid relying on images for common symbols to preserve accessibility and copyability.