U+25E9 "◩" Square with Upper Left Diagonal Half Black Unicode Character
Unicode Version 17.0
◩
U+25E9 "◩" Square with Upper Left Diagonal Half Black is a geometric symbol that depicts a square whose interior is bisected by a diagonal line running from the upper left corner to the lower right corner, with the upper left triangular half filled in black and the lower right half left empty or white. This character falls within the Geometric Shapes block of the Unicode standard and is commonly used in typography, user interface design, and data visualization to represent partial selection, incomplete states, or to create binary or contrast-based diagrams. Its distinct half filled appearance makes it useful for conveying concepts such as half filled levels, status indicators, or directional emphasis in both digital and printed contexts.
General Properties
| Code Point | U+25E9 |
| Version Added | 1.1 |
| Name | Square with Upper Left Diagonal Half Black |
| Block | Geometric Shapes |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ◩ |
| HTML Hex Encoding | ◩ |
| UTF-8 Encoding | 0xE2 0x97 0xA9 |
| UTF-16 Encoding | 0x25E9 |
| UTF-32 Encoding | 0x000025E9 |
| C/C++/Java Escape | \u25e9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |