U+51B4 "冴" CJK Unified Ideograph-# Unicode Character

U+51B4 "冴" CJK Unified Ideograph-# is a Chinese character used in modern Japanese and Classical Chinese contexts, where it typically conveys meanings related to coldness, clarity, or a sharp, piercing quality, such as in the Japanese word "sae" or "saezuri." In Chinese, it is a variant of the character "汙" or associated with ice and frigid conditions, though it is less common in simplified Chinese. The character’s structure combines the ice radical (冫) with the phonetic component "牙," reflecting its semantic ties to cold and precision. Its usage appears in names, literature, and technical terms, particularly in Japanese where it denotes a state of being crisp, clear, or skillfully sharp.

General Properties

Code Point	U+51B4
Version Added	1.1
Name	CJK Unified Ideograph-#
Block	CJK Unified Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	冴
HTML Hex Encoding	冴
UTF-8 Encoding	0xE5 0x86 0xB4
UTF-16 Encoding	0x51B4
UTF-32 Encoding	0x000051B4
C/C++/Java Escape	\u51b4

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	Ideographic
East Asian Width	Wide
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes
Unified Ideograph	Yes

Unihan Properties

kCCCII	216A2E
kCNS1986	E-227C
kCNS1992	3-227C
kCangjie	IMMVH
kCantonese	wu6
kDaeJaweon	0294.180
kDefinition	freezing; stopped up, closed off
kEACC	516A26
kFourCornerCode	3114.0
kHanYu	10295.051
kIICore	AJ
kIRGDaeJaweon	0294.180
kIRGHanyuDaZidian	10295.051
kIRGKangXi	0131.291
kIRG_GSource	GE-3174
kIRG_HSource	H-9A68
kIRG_JSource	J0-3A63
kIRG_KSource	K2-243A
kIRG_TSource	T3-227C
kJapanese	コ ゴ さえ さえる
kJinmeiyoKanji	2010
kJapaneseKun	KOORU HIERU SAERU
kJapaneseOn	GO
kJis0	2667
kKangXi	0131.291
kKorean	HO
kMandarin	hù
kMojiJoho	MJ007369 MJ007369:E0103 MJ007367:E0104 MJ007368:E0105 MJ007370:E0106
kMorohashi	01615:E0104
kNelson	0635 0641
kRSAdobe_Japan1_6	C+2131+15.2.5 C+2131+92.5.2 V+13404+15.2.5 V+13404+92.5.2 V+13787+15.2.4 V+13787+92.4.2
kRSUnicode	15.4
kTotalStrokes	6
kUnihanCore2020	HJ