Jisho

×

労

7 strokes
Radical:
power, force 力
Parts:
冖 力 尚
Variants:
勞
labor, thank for, reward for, toil, trouble
Kun:
ろう.する、 いたわ.る、 いた.ずき、 ねぎら、 つか.れる、 ねぎら.う
On:
ロウ
Jōyō kanji, taught in grade 4
JLPT level N3
398 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 労 【ロウ】 labor, labour, toil, trouble, pains, work, effort, striving
  • 労組 【ロウソ】 labor union, labour union, trade union
  • 国労 【コクロウ】 National Railway Workers Union
  • 功労 【コウロウ】 meritorious deed, services

Kun reading compounds

  • 労する 【ろうする】 to work, to labor, to labour, to put to work, to make (someone) work
  • 労る 【いたわる】 to pity, to sympathize with, to sympathise with, to treat with sympathy, to console, to be kind to, to tend to (e.g. an injury), to care for, to nurse, to soothe, to appreciate, to recognize (someone's efforts), to reward for
  • 労き 【いたずき】 pain, trouble, illness
  • 労い 【ねぎらい】 expression of appreciation (for someone's efforts), thanks
  • 労う 【ねぎらう】 to show appreciation for (efforts, esp. by someone of equal or lower status), to thank for, to reward for
  • 労う 【ねぎらう】 to show appreciation for (efforts, esp. by someone of equal or lower status), to thank for, to reward for

Readings

Mandarin Chinese (pinyin):
lao2
Korean:
ro

Spanish

  • trabajo duro
  • cansancio
  • compensación

Portuguese

  • trabalho
  • agradecer
  • recompensar
  • dificuldade

French

  • labeur
  • remerciement pour
  • récompense pour
  • être plein d'attentions
  • soucis
542 A Guide To Reading and Writing Japanese (Florence Sakade)
639 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
610 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
309 A New Dictionary of Kanji Usage
720 Classic Nelson (Andrew Nelson)
274 Essential Kanji (P.G. O’Neill)
369 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
491A Japanese Names (P.G. O’Neill)
233 Kanji and Kana (Spahn and Hadamitzky)
233 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
443 Kanji in Context (Nishiguchi and Kono)
214 Kodansha Compact Kanji Guide
3155 Kodansha Kanji Dictionary (Jack Halpern)
1619 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2205 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
868 Les Kanjis dans la tete (Yves Maniette)
2329 Morohashi
2548 New Japanese English Character Dictionary (Jack Halpern)
531 New Nelson (John Haig)
860 Remembering The Kanji (James Heisig)
924 Remembering The Kanji, 6th edition (James Heisig)
145 The Kanji Way to Japanese Language Power (Dale Crowley)
494 Tuttle Kanji Cards (Alexander Kask)
945 2001 Kanji
3n4.3 The Kanji Dictionary
2-5-2 SKIP code
2-3-4 SKIP code
3242.7 Four corner code
9042.7 Four corner code
1-47-11 JIS X 0208-1997 kuten code
52b4 Unicode hex code

使

8 strokes
Radical:
man, human 人 (亻)
Parts:
一 ノ 化 口
use, send on a mission, order, messenger, envoy, ambassador, cause
Kun:
つか.う、 つか.い、 -つか.い、 -づか.い
On:
シ
Jōyō kanji, taught in grade 3
JLPT level N4
219 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 使 【シ】 messenger, police and judicial chief (Heian and Kamakura periods), klesha (polluting thoughts such as greed, hatred and delusion, which result in suffering)
  • 使者 【シシャ】 messenger, envoy, emissary
  • 特使 【トクシ】 special envoy
  • 実力行使 【ジツリョクコウシ】 use of force

Kun reading compounds

  • 使う 【つかう】 to use (a tool, method, etc.), to make use of, to put to use, to use (a person, animal, puppet, etc.), to employ, to handle, to manage, to manipulate, to use (time, money, etc.), to spend, to consume, to use (language), to speak
  • 使い 【つかい】 errand, mission, going on an errand, messenger, bearer, errand boy, errand girl, familiar spirit, use, usage, user, trainer, tamer, handler, charmer
  • 使い方 【つかいかた】 way of using (something), way to use, how to use, usage, use, way of handling (employees, subordinates, etc.), way of treating, treatment, management
  • オズの魔法使い 【オズのまほうつかい】 The Wonderful Wizard of Oz (novel by L. F. Baum, 1900), The Wizard of Oz (film, 1939)
  • 春の使い 【はるのつかい】 Japanese bush warbler, messenger of spring

Readings

Mandarin Chinese (pinyin):
shi3, shi4
Korean:
sa

Spanish

  • usar
  • manejar
  • emplear

Portuguese

  • Uso
  • usar

French

  • utiliser
224 A Guide To Reading and Writing Japanese (Florence Sakade)
303 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
287 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
226 A New Dictionary of Kanji Usage
432 Classic Nelson (Andrew Nelson)
210 Essential Kanji (P.G. O’Neill)
117 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
556 Japanese Names (P.G. O’Neill)
2.3 Japanese for Busy People
331 Kanji and Kana (Spahn and Hadamitzky)
331 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
199 Kanji in Context (Nishiguchi and Kono)
89 Kodansha Compact Kanji Guide
100 Kodansha Kanji Dictionary (Jack Halpern)
68 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
72 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
999 Les Kanjis dans la tete (Yves Maniette)
573 Morohashi
90 New Japanese English Character Dictionary (Jack Halpern)
196 New Nelson (John Haig)
990 Remembering The Kanji (James Heisig)
1065 Remembering The Kanji, 6th edition (James Heisig)
239 The Kanji Way to Japanese Language Power (Dale Crowley)
298 Tuttle Kanji Cards (Alexander Kask)
2166 2001 Kanji
2a6.2 The Kanji Dictionary
1-2-6 SKIP code
2520.6 Four corner code
1-27-40 JIS X 0208-1997 kuten code
4f7f Unicode hex code

関

14 strokes
Radical:
gate 門
Parts:
一 二 人 ハ 并 大 門
Variants:
關
connection, barrier, gateway, involve, concerning
Kun:
せき、 -ぜき、 かか.わる、 からくり、 かんぬき
On:
カン
Jōyō kanji, taught in grade 4
JLPT level N3
70 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 関 【カン】 barrier, gate
  • 関係 【カンケイ】 relation, relationship, connection, participation, involvement, concern, influence, effect, sexual relations, sexual relationship, related to, connected to
  • 連関 【レンカン】 connection, relation, linkage
  • 通関 【ツウカン】 customs clearance

Kun reading compounds

  • 関 【せき】 barrier, gate, seki, mutual life
  • 関取 【せきとり】 ranking wrestler in the makuuchi (senior-grade) or juryo (junior-grade) divisions
  • 霞ヶ関 【かすみがせき】 Kasumigaseki, district of Tokyo where most of Japan's government ministry offices are located, government ministries (of Japan), Japanese government bureaucracy
  • 関わる 【かかわる】 to be affected, to be influenced, to be concerned with, to have to do with, to stick to (opinions)
  • 覗き機関 【のぞきからくり】 peep show, device with lens mounted on a stand or in a box to view enlarged pictures
  • 水機関 【みずからくり】 puppet powered by (falling) water, water-powered contrivance, show using such a device (in Edo-period Osaka)

Readings

Mandarin Chinese (pinyin):
guan1
Korean:
gwan, wan

Spanish

  • barrera
  • puerta
  • relación
  • mecanismo
  • valla

Portuguese

  • conexão
  • obstáculo
  • passagem
  • emvolver
  • concernente

French

  • relation
  • barrière
  • lien
  • rapport
  • concerner
365 A Guide To Reading and Writing Japanese (Florence Sakade)
467 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
444 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
104 A New Dictionary of Kanji Usage
4958 Classic Nelson (Andrew Nelson)
289 Essential Kanji (P.G. O’Neill)
982 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
2245 Japanese Names (P.G. O’Neill)
3.7 Japanese for Busy People
398 Kanji and Kana (Spahn and Hadamitzky)
402 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
446 Kanji in Context (Nishiguchi and Kono)
1844 Kodansha Compact Kanji Guide
4129 Kodansha Kanji Dictionary (Jack Halpern)
2099 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2842 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
2036 Les Kanjis dans la tete (Yves Maniette)
41297 Morohashi
3328 New Japanese English Character Dictionary (Jack Halpern)
6402 New Nelson (John Haig)
2017 Remembering The Kanji (James Heisig)
2173 Remembering The Kanji, 6th edition (James Heisig)
84 The Kanji Way to Japanese Language Power (Dale Crowley)
614 Tuttle Kanji Cards (Alexander Kask)
3863 2001 Kanji
8e6.7 The Kanji Dictionary
3-8-6 SKIP code
7743.0 Four corner code
1-20-56 JIS X 0208-1997 kuten code
95a2 Unicode hex code

係

9 strokes
Radical:
man, human 人 (亻)
Parts:
ノ 化 小 幺 糸
person in charge, connection, duty, concern oneself
Kun:
かか.る、 かかり、 -がかり、 かか.わる
On:
ケイ
Jōyō kanji, taught in grade 3
JLPT level N3
232 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 係争 【ケイソウ】 dispute, contention, conflict, controversy
  • 係数 【ケイスウ】 coefficient, factor, proportional constant
  • 相関関係 【ソウカンカンケイ】 correlation, interrelation, intertwining
  • 三角関係 【サンカクカンケイ】 love triangle, eternal triangle

Kun reading compounds

  • 係る 【かかる】 to be the work of, to be the result of, to be done by, to concern, to affect, to involve, to relate to
  • 係 【かかり】 charge, duty, person in charge, official, clerk, connection, linking
  • 係員 【かかりいん】 person in charge, official, attendant
  • 口座係 【こうざかかり】 teller (in bank)
  • 応接係 【おうせつかかり】 receptionist, desk clerk
  • 関わる 【かかわる】 to be affected, to be influenced, to be concerned with, to have to do with, to stick to (opinions)

Readings

Mandarin Chinese (pinyin):
xi4
Korean:
gye

Spanish

  • cargo
  • deber
  • concernir
  • afectar

Portuguese

  • pessoa em carga
  • conexão
  • dever
  • interessa a si próprio

French

  • chargé de
  • liaison
  • devoir
  • s'occuper de
385 A Guide To Reading and Writing Japanese (Florence Sakade)
286 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
268 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
263 A New Dictionary of Kanji Usage
449 Classic Nelson (Andrew Nelson)
426 Essential Kanji (P.G. O’Neill)
318 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
2.12 Japanese for Busy People
909 Kanji and Kana (Spahn and Hadamitzky)
931 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
447 Kanji in Context (Nishiguchi and Kono)
94 Kodansha Compact Kanji Guide
108 Kodansha Kanji Dictionary (Jack Halpern)
73 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
78 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1404 Les Kanjis dans la tete (Yves Maniette)
663 Morohashi
97 New Japanese English Character Dictionary (Jack Halpern)
217 New Nelson (John Haig)
1392 Remembering The Kanji (James Heisig)
1493 Remembering The Kanji, 6th edition (James Heisig)
221 The Kanji Way to Japanese Language Power (Dale Crowley)
324 Tuttle Kanji Cards (Alexander Kask)
2141 2001 Kanji
2a7.8 The Kanji Dictionary
1-2-7 SKIP code
2229.3 Four corner code
1-23-24 JIS X 0208-1997 kuten code
4fc2 Unicode hex code

研

9 strokes
Radical:
stone 石
Parts:
一 ｜ ノ 亅 二 口 廾 石
polish, study of, sharpen
Kun:
と.ぐ
On:
ケン
Jōyō kanji, taught in grade 3
JLPT level N4
336 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 研究員 【ケンキュウイン】 researcher, lab worker
  • 研究 【ケンキュウ】 study, research, investigation
  • 予研 【ヨケン】 National Institute of Health
  • 技研 【ギケン】 technical research institute

Kun reading compounds

  • 研ぐ 【とぐ】 to sharpen, to hone, to whet, to grind, to wash (rice), to scour, to polish, to burnish

Readings

Japanese names:
のり
Mandarin Chinese (pinyin):
yan2, yan4
Korean:
yeon

Spanish

  • estudio
  • afilar
  • pulir

Portuguese

  • polir
  • estudar
  • afiar

French

  • polir
  • étudier
  • aiguiser
204 A Guide To Reading and Writing Japanese (Florence Sakade)
290 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
272 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
426 A New Dictionary of Kanji Usage
3180 Classic Nelson (Andrew Nelson)
583 Essential Kanji (P.G. O’Neill)
231 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
875 Japanese Names (P.G. O’Neill)
2.8 Japanese for Busy People
896 Kanji and Kana (Spahn and Hadamitzky)
918 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
297 Kanji in Context (Nishiguchi and Kono)
1398 Kodansha Compact Kanji Guide
1456 Kodansha Kanji Dictionary (Jack Halpern)
771 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
1046 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
682 Les Kanjis dans la tete (Yves Maniette)
24080 Morohashi
1132 New Japanese English Character Dictionary (Jack Halpern)
3991 New Nelson (John Haig)
675 Remembering The Kanji (James Heisig)
729 Remembering The Kanji, 6th edition (James Heisig)
284 The Kanji Way to Japanese Language Power (Dale Crowley)
325 Tuttle Kanji Cards (Alexander Kask)
3355 2001 Kanji
5a4.1 The Kanji Dictionary
1-5-4 SKIP code
1164.0 Four corner code
1-24-06 JIS X 0208-1997 kuten code
7814 Unicode hex code

究

7 strokes
Radical:
cave 穴
Parts:
儿 九 宀 穴
Variants:
research, study
Kun:
きわ.める
On:
キュウ、 ク
Jōyō kanji, taught in grade 3
JLPT level N4
368 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 究明 【キュウメイ】 investigation (esp. in academic and scientific contexts)
  • 究極 【キュウキョク】 ultimate, final, last, eventual
  • 最新研究 【サイシンケンキュウ】 the newest research
  • 学究 【ガッキュウ】 scholar, student
  • 究竟 【クキョウ】 culmination, conclusion
  • 究竟 【クッキョウ】 after all, in the end, finally, excellent, superb, handy, appropriate, ideal, robust, brawny, muscular, strong, sturdy

Kun reading compounds

  • 究める 【きわめる】 to investigate thoroughly, to research thoroughly, to master, to understand completely

Readings

Japanese names:
きゅ
Mandarin Chinese (pinyin):
jiu4, jiu1
Korean:
gu

Spanish

  • estudio
  • investigación
  • profundización
  • último
  • final
  • dominar
  • profundizar en el estudio de

Portuguese

  • pesquisa
  • estudo

French

  • recherche
  • étudier
185 A Guide To Reading and Writing Japanese (Florence Sakade)
271 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
253 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
427 A New Dictionary of Kanji Usage
3314 Classic Nelson (Andrew Nelson)
599 Essential Kanji (P.G. O’Neill)
234 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
492 Japanese Names (P.G. O’Neill)
2.8 Japanese for Busy People
895 Kanji and Kana (Spahn and Hadamitzky)
917 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
298 Kanji in Context (Nishiguchi and Kono)
1451 Kodansha Compact Kanji Guide
2729 Kodansha Kanji Dictionary (Jack Halpern)
1398 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
1885 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1331 Les Kanjis dans la tete (Yves Maniette)
25409 Morohashi
2203 New Japanese English Character Dictionary (Jack Halpern)
4189 New Nelson (John Haig)
1320 Remembering The Kanji (James Heisig)
1417 Remembering The Kanji, 6th edition (James Heisig)
261 The Kanji Way to Japanese Language Power (Dale Crowley)
278 Tuttle Kanji Cards (Alexander Kask)
757 2001 Kanji
3m4.5 The Kanji Dictionary
2-3-4 SKIP code
2-5-2 SKIP code
3041.7 Four corner code
1-21-70 JIS X 0208-1997 kuten code
7a76 Unicode hex code

協

8 strokes
Radical:
ten, complete 十
Parts:
力 十
co-, cooperation
On:
キョウ
Jōyō kanji, taught in grade 4
JLPT level N2
121 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 協議 【キョウギ】 conference, consultation, discussion, negotiation
  • 協会 【キョウカイ】 association, society, organization, organisation
  • 農協 【ノウキョウ】 agricultural cooperative
  • 経協 【ケイキョウ】 management association, management conference, management institute

Readings

Mandarin Chinese (pinyin):
xie2
Korean:
hyeob

Spanish

  • cooperación
  • colaboración

Portuguese

  • co-
  • cooperação

French

  • coopération
  • co-
377 A Guide To Reading and Writing Japanese (Florence Sakade)
485 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
461 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
209 A New Dictionary of Kanji Usage
774 Classic Nelson (Andrew Nelson)
572 Essential Kanji (P.G. O’Neill)
381 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
548 Japanese Names (P.G. O’Neill)
234 Kanji and Kana (Spahn and Hadamitzky)
234 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
444 Kanji in Context (Nishiguchi and Kono)
244 Kodansha Compact Kanji Guide
103 Kodansha Kanji Dictionary (Jack Halpern)
70 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
74 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
881 Les Kanjis dans la tete (Yves Maniette)
2742 Morohashi
93 New Japanese English Character Dictionary (Jack Halpern)
617 New Nelson (John Haig)
872 Remembering The Kanji (James Heisig)
937 Remembering The Kanji, 6th edition (James Heisig)
193 The Kanji Way to Japanese Language Power (Dale Crowley)
501 Tuttle Kanji Cards (Alexander Kask)
1445 2001 Kanji
2k6.1 The Kanji Dictionary
1-2-6 SKIP code
4402.7 Four corner code
1-22-08 JIS X 0208-1997 kuten code
5354 Unicode hex code

会

6 strokes
Radical:
man, human 人 (亻)
Parts:
二 个 厶
Variants:
會
meeting, meet, party, association, interview, join
Kun:
あ.う、 あ.わせる、 あつ.まる
On:
カイ、 エ
Jōyō kanji, taught in grade 2
JLPT level N4
4 of 2500 most used kanji in newspapers

Speed

Stroke order

On reading compounds

  • 会 【カイ】 meeting, assembly, party, gathering, conference, athletic meet, society, association, club
  • 会員 【カイイン】 member, the membership
  • 例会 【レイカイ】 regular meeting
  • 際会 【サイカイ】 meeting, facing, confronting
  • 会 【エ】 gathering (esp. Buddhist, festive, etc.)
  • 会釈 【エシャク】 slight bow (as a greeting or sign of gratitude), nod, salutation, consideration, thoughtfulness
  • 法会 【ホウエ】 Buddhist service (e.g. memorial service)
  • 御斎会 【ゴサイエ】 imperial event at which high monks recited the Golden Light Sutra to pray for national security and good harvests (held annually at the palace from the 8th to the 14th of the first lunar month, between the Nara and Muromachi periods)

Kun reading compounds

  • 会う 【あう】 to meet, to encounter, to see, to have an accident, to have a bad experience
  • 逢うは別れの始め 【あうはわかれのはじめ】 we meet only to part, meeting is the first step to parting
  • 会わせる 【あわせる】 to make (someone) to meet, to let (someone) meet, to expose to, to subject to

Readings

Japanese names:
あい、 い
Mandarin Chinese (pinyin):
hui4, kuai4
Korean:
hoe, goe, gwal

Spanish

  • asociación
  • reunión
  • encontrarse con
  • reunirse

Portuguese

  • encontro
  • reunião
  • festa
  • associação
  • entrevista
  • une

French

  • réunion
  • rencontre
  • meeting
  • parti
  • association
  • entrevue
  • rejoindre
54 A Guide To Reading and Writing Japanese (Florence Sakade)
93 A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot)
87 A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
12 A New Dictionary of Kanji Usage
381 Classic Nelson (Andrew Nelson)
116 Essential Kanji (P.G. O’Neill)
14 Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
454 Japanese Names (P.G. O’Neill)
2.1 Japanese for Busy People
158 Kanji and Kana (Spahn and Hadamitzky)
158 Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
59 Kanji in Context (Nishiguchi and Kono)
47 Kodansha Compact Kanji Guide
2512 Kodansha Kanji Dictionary (Jack Halpern)
1275 Kodansha Kanji Learner’s Dictionary (Jack Halpern)
1741 Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
759 Les Kanjis dans la tete (Yves Maniette)
460 Morohashi
2020 New Japanese English Character Dictionary (Jack Halpern)
143 New Nelson (John Haig)
752 Remembering The Kanji (James Heisig)
814 Remembering The Kanji, 6th edition (James Heisig)
16 The Kanji Way to Japanese Language Power (Dale Crowley)
119 Tuttle Kanji Cards (Alexander Kask)
2871 2001 Kanji
2a4.19 The Kanji Dictionary
2-2-4 SKIP code
2-3-3 SKIP code
8073.1 Four corner code
1-18-81 JIS X 0208-1997 kuten code
4f1a Unicode hex code