Jisho

×

4 strokes
Radical:
right hand
Parts:
anti-
Jōyō kanji, taught in grade 3
JLPT level N3
191 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 反 【ハン】 anti-, antithesis, fanqie, traditional Chinese spelling system in which two characters are used: the first one for the onset, the second one for rhyme and tone
  • 反映 【ハンエイ】 reflection (of light), reflection (of society, attitudes, etc.), application (of an update, changes, etc.), taking effect
  • 離反 【リハン】 estrangement, alienation, disaffection, desertion, defection, breakaway
  • 造反 【ゾウハン】 rebellion
  • 反故 【ホゴ】 wastepaper, scrap paper
  • 謀反 【ムホン】 rebellion, revolt, insurrection, treason
  • 反 【タン】 variable measure of fabric (28.8 cm in width), for kimonos: at least 10 m in length, for haori: at least 7.27 m in length, for other clothes: at least 6.06 m in length, 300 tsubo (991.74 meters square, 0.24506 acres), six ken (10.91 m)
  • 反物 【タンモノ】 fabric, cloth, textiles, drapery, dry-goods, piece goods, measure of kimono material
  • 減反 【ゲンタン】 reduction (of crop size), reduction of acreage (under cultivation)
  • 一反 【イッタン】 one-tenth hectare
  • 反故 【ホゴ】 wastepaper, scrap paper
  • 反古籠 【ホグカゴ】 wastebasket

Kun reading compounds

  • 反る 【そる】 to warp, to curve, to arch, to bend, to bend backward (body or body part, e.g. fingers)
  • 反らす 【そらす】 to bend, to warp, to curve
  • 返す 【かえす】 to return (something), to restore, to put back, to turn over, to turn upside down, to overturn, to pay back, to retaliate, to reciprocate, to respond (with), to retort, to reply, to say back, to do ... back (e.g. speak back, throw back), to do again, to do repeatedly
  • 返る 【かえる】 to return, to come back, to go back, to turn over, to become extremely, to become completely

Readings

Japanese names:
そり、 た
Mandarin Chinese (pinyin):
fan3
Korean:
ban, beon

Spanish

  • anti-
  • opuesto
  • devolver
  • reflejar
  • curvarse

Portuguese

  • anti-

French

  • anti-
492 A Guide To Reading and Writing Japanese (Florence Sakade)
393 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
371 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
183 A New Dictionary of Kanji Usage
817 Classic Nelson (Andrew Nelson)
342 Essential Kanji (P.G. O’Neill)
391 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
69 Japanese Names (P.G. O’Neill)
3.19 Japanese for Busy People
324 Kanji and Kana (Spahn and Hadamitzky)
324 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
362 Kanji in Context (Nishiguchi and Kono)
267 Kodansha Compact Kanji Guide
3663 Kodansha Kanji Dictionary (Jack Halpern)
1869 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2549 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
730 Les Kanjis dans la tete (Yves Maniette)
3127 Morohashi
2945 New Japanese English Character Dictionary (Jack Halpern)
674 New Nelson (John Haig)
722 Remembering The Kanji (James Heisig)
779 Remembering The Kanji, 6th edition (James Heisig)
146 The Kanji Way to Japanese Language Power (Dale Crowley)
244 Tuttle Kanji Cards (Alexander Kask)
3367 2001 Kanji
2p2.2 The Kanji Dictionary
3-2-2 SKIP code
4-4-1 SKIP code
7124.7 Four corner code
1-40-31 JIS X 0208-1997 kuten code
53cd Unicode hex code

12 strokes
Radical:
step
Parts:
restore, return to, revert, resume
Kun:
また
On:
フク
Jōyō kanji, taught in grade 5
JLPT level N2
438 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 復旧 【フッキュウ】 restoration, restitution, rehabilitation
  • 復員 【フクイン】 demobilization, demobilisation, repatriation
  • 重複 【チョウフク】 duplication, repetition, overlapping, redundancy, restoration
  • 障害回復 【ショウガイカイフク】 fault recovery

Kun reading compounds

  • 又 【また】 again, once more, once again, another time, some other time, also, too, as well, likewise, on the other hand, while, and, in addition, besides, moreover, furthermore, or, otherwise, really, how, (what, why) on earth, indirect
  • 又々 【またまた】 once again, yet again, (there you go) again

Readings

Mandarin Chinese (pinyin):
fu4
Korean:
bog, bu

Spanish

  • volver
  • regresar
  • repetir
  • tomar represalias

Portuguese

  • restaurar
  • retornar
  • reverter
  • recomeçar

French

  • retourner
  • restaurer
  • reprendre
710 A Guide To Reading and Writing Japanese (Florence Sakade)
803 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
782 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
585 A New Dictionary of Kanji Usage
1627 Classic Nelson (Andrew Nelson)
588 Essential Kanji (P.G. O’Neill)
525 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1571 Japanese Names (P.G. O’Neill)
917 Kanji and Kana (Spahn and Hadamitzky)
939 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
521 Kanji in Context (Nishiguchi and Kono)
634 Kodansha Compact Kanji Guide
701 Kodansha Kanji Dictionary (Jack Halpern)
420 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
527 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
884 Les Kanjis dans la tete (Yves Maniette)
10183 Morohashi
575 New Japanese English Character Dictionary (Jack Halpern)
1760 New Nelson (John Haig)
875 Remembering The Kanji (James Heisig)
940 Remembering The Kanji, 6th edition (James Heisig)
766 Tuttle Kanji Cards (Alexander Kask)
2067 2001 Kanji
3i9.4 The Kanji Dictionary
1-3-9 SKIP code
2824.7 Four corner code
1-41-92 JIS X 0208-1997 kuten code
5fa9 Unicode hex code

11 strokes
Radical:
water 水 (氵, 氺)
Parts:
deep, heighten, intensify, strengthen
Jōyō kanji, taught in grade 3
JLPT level N3
484 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 深刻 【シンコク】 serious, severe, grave, acute
  • 深海 【シンカイ】 deep sea, depths of the sea, ocean depths
  • 以深 【イシン】 ... or deeper, ... and below
  • 海深 【カイシン】 depth of the sea

Kun reading compounds

  • 深い 【ふかい】 deep, profound, dense, thick, close (relationship), intense, strong, late
  • 深入り 【ふかいり】 getting deeply involved, going deeply into, going too far (into something)
  • 深まる 【ふかまる】 to deepen, to heighten, to intensify
  • 深める 【ふかめる】 to deepen, to heighten, to intensify

Readings

Mandarin Chinese (pinyin):
shen1
Korean:
sim

Spanish

  • profundo
  • hondo
  • profundizar
  • profundizar en

Portuguese

  • fundo
  • aumentar
  • intensificar
  • fortalecer

French

  • profond
  • augmenter
  • intensifier
  • renforcer
258 A Guide To Reading and Writing Japanese (Florence Sakade)
342 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
325 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
552 A New Dictionary of Kanji Usage
2606 Classic Nelson (Andrew Nelson)
593 Essential Kanji (P.G. O’Neill)
690 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1341 Japanese Names (P.G. O’Neill)
536 Kanji and Kana (Spahn and Hadamitzky)
545 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
121 Kanji in Context (Nishiguchi and Kono)
1212 Kodansha Compact Kanji Guide
636 Kodansha Kanji Dictionary (Jack Halpern)
385 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
480 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1339 Les Kanjis dans la tete (Yves Maniette)
17687 Morohashi
524 New Japanese English Character Dictionary (Jack Halpern)
3206 New Nelson (John Haig)
1328 Remembering The Kanji (James Heisig)
1426 Remembering The Kanji, 6th edition (James Heisig)
424 The Kanji Way to Japanese Language Power (Dale Crowley)
377 Tuttle Kanji Cards (Alexander Kask)
364 2001 Kanji
3a8.21 The Kanji Dictionary
1-3-8 SKIP code
3719.4 Four corner code
1-31-28 JIS X 0208-1997 kuten code
6df1 Unicode hex code

4 strokes
Radical:
spoon
Parts:
change, take the form of, influence, enchant, delude, -ization
Jōyō kanji, taught in grade 3
JLPT level N3
89 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 化 【カ】 change to ..., becoming ..., making into ..., -ization, -ification
  • 化学 【カガク】 chemistry
  • 機械化 【キカイカ】 mechanization, mechanisation
  • 民営化 【ミンエイカ】 privatization, privatisation
  • 化粧 【ケショウ】 make-up, makeup, cosmetics, decoration, dressing, veneer
  • 化粧水 【ケショウスイ】 skin lotion, face lotion
  • 応化 【オウゲ】 assumption of a suitable form (by a buddha or bodhisattva)
  • 教化 【キョウケ】 guidance, teaching people and leading them to Buddhism

Kun reading compounds

  • 化ける 【ばける】 to take the form of (esp. in ref. to a spirit, fox, raccoon dog, etc.), to assume the shape of, to turn oneself into, to transform oneself into, to disguise oneself as, to change radically, to metamorphose, to improve unexpectedly and dramatically (esp. of an actor, artist, rikishi, etc.)
  • 化かす 【ばかす】 to bewitch, to confuse, to enchant, to delude
  • 老ける 【ふける】 to age, to grow old (esp. in appearance), to show marks of age

Readings

Mandarin Chinese (pinyin):
hua4
Korean:
hwa

Spanish

  • cambiar
  • transformarse
  • modificarse
  • disfrazarse

Portuguese

  • mudança
  • tomar a forma de
  • influência
  • encantar
  • iludir
  • seduzir
  • -isação

French

  • transformation
  • prendre la forme de
  • maquillage
  • influence
  • fantôme
  • enchanter
  • tromper
  • chimie
  • -isation
163 A Guide To Reading and Writing Japanese (Florence Sakade)
258 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
238 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
100 A New Dictionary of Kanji Usage
350 Classic Nelson (Andrew Nelson)
76 Essential Kanji (P.G. O’Neill)
378 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
56 Japanese Names (P.G. O’Neill)
3.19 Japanese for Busy People
254 Kanji and Kana (Spahn and Hadamitzky)
254 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
414 Kanji in Context (Nishiguchi and Kono)
55 Kodansha Compact Kanji Guide
22 Kodansha Kanji Dictionary (Jack Halpern)
12 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
12 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1017 Les Kanjis dans la tete (Yves Maniette)
2572X Morohashi
21 New Japanese English Character Dictionary (Jack Halpern)
580 New Nelson (John Haig)
1008 Remembering The Kanji (James Heisig)
1083 Remembering The Kanji, 6th edition (James Heisig)
104 The Kanji Way to Japanese Language Power (Dale Crowley)
242 Tuttle Kanji Cards (Alexander Kask)
2156 2001 Kanji
2a2.6 The Kanji Dictionary
1-2-2 SKIP code
2121.0 Four corner code
2421.0 Four corner code
1-18-29 JIS X 0208-1997 kuten code
5316 Unicode hex code

17 strokes
Radical:
man, human 人 (亻)
Parts:
tenderness, excel, surpass, actor, superiority, gentleness
Jōyō kanji, taught in grade 6
JLPT level N3
334 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 優 【ユウ】 Excellent (grade), A, superiority, excellence, gentle, graceful, elegant, skillful
  • 優位 【ユウイ】 predominance, superiority, ascendancy, advantage, supremacy
  • 声優 【セイユウ】 voice actor or actress (radio, animation, etc.)
  • 怪優 【カイユウ】 actor or performer with fascinating acting and appearance
  • 優曇華 【ウドンゲ】 udumbara (mythical Indian plant often identified with the cluster fig, Ficus glomerata), something very rare (from the legend that the udumbara flowers once in 3000 years), Japanese fiber banana flower, green lacewing eggs
  • 優婆夷 【ウバイ】 upasika (devout female lay follower of Buddhism)
  • 声優 【セイユウ】 voice actor or actress (radio, animation, etc.)
  • 怪優 【カイユウ】 actor or performer with fascinating acting and appearance

Kun reading compounds

  • 優しい 【やさしい】 tender, kind, gentle, graceful, affectionate, amiable
  • 優しい声 【やさしいこえ】 soft voice
  • 優れる 【すぐれる】 to surpass, to outstrip, to excel
  • 勝る 【まさる】 to excel, to surpass, to exceed, to have an edge, to be superior, to outrival, to outweigh, to preponderate
  • 優るとも劣らない 【まさるともおとらない】 not at all inferior to, rival or surpass, compare favorably (with)

Readings

Japanese names:
ゆ、 よし
Mandarin Chinese (pinyin):
you1
Korean:
u

Spanish

  • excelente
  • sobresaliente
  • especial
  • papel
  • función
  • elegante
  • tierno
  • amable
  • cariñoso
  • sobrepasar
  • dejar atrás
  • sobresalir

Portuguese

  • ternura
  • superar
  • superação
  • ator
  • superioridade
  • gentileza

French

  • tendresse
  • gentillesse
  • exceller
  • surpasser
  • supériorité
  • acteur
995 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
984 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
453 A New Dictionary of Kanji Usage
564 Classic Nelson (Andrew Nelson)
1148 Essential Kanji (P.G. O’Neill)
336 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
2599 Japanese Names (P.G. O’Neill)
1033 Kanji and Kana (Spahn and Hadamitzky)
1074 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
1168 Kanji in Context (Nishiguchi and Kono)
140 Kodansha Compact Kanji Guide
200 Kodansha Kanji Dictionary (Jack Halpern)
130 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
156 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1002 Les Kanjis dans la tete (Yves Maniette)
1261 Morohashi
177 New Japanese English Character Dictionary (Jack Halpern)
334 New Nelson (John Haig)
993 Remembering The Kanji (James Heisig)
1068 Remembering The Kanji, 6th edition (James Heisig)
1000 Tuttle Kanji Cards (Alexander Kask)
2167 2001 Kanji
2a15.1 The Kanji Dictionary
1-2-15 SKIP code
2124.7 Four corner code
1-45-05 JIS X 0208-1997 kuten code
512a Unicode hex code

6 strokes
Radical:
legs
Parts:
before, ahead, previous, future, precedence
Kun:
さきま.ず
On:
セン
Jōyō kanji, taught in grade 1
JLPT level N5
173 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 先 【セン】 former, previous, old, first move (in go, shogi, etc.), opening move
  • 先駆 【センク】 forerunner, precursor, pioneer, leader, outrider, outriding
  • 機先 【キセン】 forestall
  • 互先 【タガイセン】 even game (esp. in go)

Kun reading compounds

  • 先 【さき】 point, tip, end, nozzle, head (of a line), front, first, before, ahead (of), (the way) ahead, beyond, future, previous, prior, former, recent, last, destination, address, place where you do something, rest (e.g. of a story), continuation, remaining part, the other party
  • 先行き 【さきゆき】 the future, future prospects
  • 小手先 【こてさき】 tip of the hand, (use of) one's hands, cheap trick, superficial wit, superficial cleverness, cheap, makeshift (e.g. measures), shortsighted, perfunctory, halfhearted
  • 矛先 【ほこさき】 point of a spear, spearhead, focus (of one's attack, criticism, etc.), aim, target, brunt, force (of an argument), edge
  • 先ず 【まず】 first (of all), firstly, to begin with, before anything else, probably, most likely, almost certainly, virtually, more or less (satisfactory), on the whole, reasonably, anyway, at any rate, for now (at least), for the time being
  • まず第一に 【まずだいいちに】 first of all, in the first place, to begin with, for starters

Readings

Japanese names:
ぽん
Mandarin Chinese (pinyin):
xian1
Korean:
seon

Spanish

  • antes
  • adelante
  • previo
  • precedencia
  • extremo
  • punta
  • final
  • anterior

Portuguese

  • antes
  • prévio
  • na frente
  • futuro
  • precedência

French

  • avant
  • devant
  • précédent
  • futur
  • antériorité
33 A Guide To Reading and Writing Japanese (Florence Sakade)
43 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
49 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
201 A New Dictionary of Kanji Usage
571 Classic Nelson (Andrew Nelson)
65 Essential Kanji (P.G. O’Neill)
16 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
280 Japanese Names (P.G. O’Neill)
2.18 Japanese for Busy People
50 Kanji and Kana (Spahn and Hadamitzky)
50 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
48 Kanji in Context (Nishiguchi and Kono)
145 Kodansha Compact Kanji Guide
3046 Kodansha Kanji Dictionary (Jack Halpern)
1552 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2123 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
254 Les Kanjis dans la tete (Yves Maniette)
1349 Morohashi
2394 New Japanese English Character Dictionary (Jack Halpern)
350 New Nelson (John Haig)
248 Remembering The Kanji (James Heisig)
263 Remembering The Kanji, 6th edition (James Heisig)
115 The Kanji Way to Japanese Language Power (Dale Crowley)
54 Tuttle Kanji Cards (Alexander Kask)
2457 2001 Kanji
3b3.7 The Kanji Dictionary
2-4-2 SKIP code
2421.1 Four corner code
1-32-72 JIS X 0208-1997 kuten code
5148 Unicode hex code

11 strokes
Radical:
hand 手 (扌龵)
Parts:
grope, search, look for
Jōyō kanji, taught in grade 6
JLPT level N3
930 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 探検 【タンケン】 exploration, expedition
  • 探求 【タンキュウ】 search, quest, pursuit
  • 内探 【ナイタン】 private inquiry, private enquiry, secret investigation
  • 独探 【ドクタン】 German spy

Kun reading compounds

  • 探る 【さぐる】 to feel around for, to fumble for, to grope for, to search for, to look for, to investigate, to probe into, to spy on, to sound out, to explore (parts unknown), to enjoy (natural beauty)
  • 探す 【さがす】 to search for, to look for, to hunt for, to seek, to search (a house, pocket, etc.), to search through, to rummage in (e.g. a drawer), to fish around

Readings

Mandarin Chinese (pinyin):
tan4, tan1
Korean:
tam

Spanish

  • explorar
  • indagar
  • buscar
  • sondear

Portuguese

  • tatear
  • pesquisar
  • procurar

French

  • chercher
  • tâtonner
  • enquête
942 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
930 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
1239 A New Dictionary of Kanji Usage
1949 Classic Nelson (Andrew Nelson)
1236 Essential Kanji (P.G. O’Neill)
578 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1316 Japanese Names (P.G. O’Neill)
535 Kanji and Kana (Spahn and Hadamitzky)
544 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
1258 Kanji in Context (Nishiguchi and Kono)
908 Kodansha Compact Kanji Guide
613 Kodansha Kanji Dictionary (Jack Halpern)
374 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
466 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1340 Les Kanjis dans la tete (Yves Maniette)
12276 Morohashi
505 New Japanese English Character Dictionary (Jack Halpern)
2211 New Nelson (John Haig)
1327 Remembering The Kanji (James Heisig)
1425 Remembering The Kanji, 6th edition (James Heisig)
927 Tuttle Kanji Cards (Alexander Kask)
1364 2001 Kanji
3c8.16 The Kanji Dictionary
1-3-8 SKIP code
5709.4 Four corner code
1-35-21 JIS X 0208-1997 kuten code
63a2 Unicode hex code

10 strokes
Radical:
silk 糸 (糹)
Parts:
cord, rope, searching, inquiring
On:
サク
Jōyō kanji, taught in junior high
JLPT level N1
1127 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 索 【サク】 rope, cord
  • 索引 【サクイン】 index (in a book)
  • 模索 【モサク】 groping (for), fumbling around (for), searching (for an answer, solution, etc.), trying to find
  • 神経索 【シンケイサク】 nerve cord

Readings

Mandarin Chinese (pinyin):
suo3
Korean:
sag, saeg

Spanish

  • soga
  • cordón
  • cuerda
  • buscar
  • disperso

Portuguese

  • corda
  • cabo

French

  • câble
  • corde
  • chercher (index)
1299 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
1155 A New Dictionary of Kanji Usage
782 Classic Nelson (Andrew Nelson)
1762 Essential Kanji (P.G. O’Neill)
1625 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1703 Japanese Names (P.G. O’Neill)
1059 Kanji and Kana (Spahn and Hadamitzky)
1104 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
1301 Kanji in Context (Nishiguchi and Kono)
1505 Kodansha Compact Kanji Guide
3105 Kodansha Kanji Dictionary (Jack Halpern)
1587 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2168 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1377 Les Kanjis dans la tete (Yves Maniette)
27306 Morohashi
2455 New Japanese English Character Dictionary (Jack Halpern)
4449 New Nelson (John Haig)
1365 Remembering The Kanji (James Heisig)
1465 Remembering The Kanji, 6th edition (James Heisig)
1378 Tuttle Kanji Cards (Alexander Kask)
1541 2001 Kanji
2k8.2 The Kanji Dictionary
2-4-6 SKIP code
2-2-8 SKIP code
4090.3 Four corner code
1-26-87 JIS X 0208-1997 kuten code
7d22 Unicode hex code