Black / Siyah / #000000 / #000 Hex Renk Kodu

Onaltılı renk kodu ile black / Siyah renk #000000 / #000, gri'ın çok koyu bir tonudur. RGB renk modellemesinde #000000; 0% kırmızı, 0% yeşil ve 0% maviden oluşur. HSL renk modellemesinde #000000; 0° (derece) tonu, 0% dogunluk ve 0% açıklık içerir. Bu rengin dalga boyu yaklaşık olarak şudur 477.19 nm.

Renk Varyasyonları

• Ters Çevrilmiş
  #ffffff / #fff
• 25% Doygun
  #000000 / #000
• Grilik Skalası
  #000000 / #000
• 25% Daha Açık
  #000000 / #000
• Orjinal
  #000000 / #000
• 25% Daha Koyu
  #000000 / #000
• Web Renkleri: black
  #000000 / #000
• 25% Desatüre
  #000000 / #000
• HTML: black
  #000000 / #000

İlgili Renklerin Adları

• Yakın İlgili

  1. Fok rengi kahverengi
     #321414
  2. Koyu yeşil
     #013220
  3. Barut rengi
     #3d2b1f
  4. Lacivert
     #000080
  5. Prusya mavisi
     #003153

• Orta ilgili

  1. Küçük kara
     #e2725b
  2. Pers yeşili
     #00a693
  3. Yeşim
     #00a86b
  4. Thulian pembe
     #de6fa1
  5. Galibarda (parlak mor)
     #ff00ff / #f0f

• Uzaktan İlgili

  1. Fildişi rengi
     #fffff0
  2. Kremrengi
     #fffdd0
  3. Sarı
     #ffff00 / #ff0
  4. Açık Limon
     #fffacd
  5. Bebek mavisi
     #e0ffff

Renk Şemaları

İndir:

Tonlar ve Gölgeler

#000000 'dan beyaza

1. #000000 / #000
2. #292929
3. #4e4e4e
4. #777777 / #777
5. #a2a2a2
6. #d0d0d0
7. #ffffff / #fff

Boyalar

Tamamen Eşleşen Boyalar

• Anthracite / LEE

  Wolseley

• Black / 90610

  Morgan

• Black / L15

  Lotus

• Pure Black / A002

  Brilliance

• Black / 5801-88-04H

  Ski-Doo

• Moonlight Black

  AMC

• Black / I419

  Honda

• Black / 20W

  Vauxhall

• Skin Tone 30

  Pantone / PMS

• Bonnet Flat Black / GAF1261

  Mack Truck Australia

• Black Diamond

  GM / General Motors

• Ebony / 19

  Saab

• Black / GAF1415

  Fleetmark

• Aluetian Mat / 742

  Toyota

• Safari Black / 918

  Tata

• Avanti Black / 9700

  Avanti

• Accursed Black (2)

  Rackham

• Noir Mat / M404

  Mega

• Black Mat / 1707

  Volvo

• Anthacite / ZKEA

  Probe

• Black / R2666

  TVR

• Ebony

  Volkswagen

• Black / 8EB

  Kia

• Terrace

  Little Greene

• Tamiya 80001,X1

  Tamiya

• Jet Black

  Chrysler

• Kh3 / 2012-2012

  Venucia

• Black Magic

  Homebase

• Black Matt / 810963

  Liebherr

• Black Ral9005 / GAF9046

  Maxitrans

• Black Mt / CS84

  Subaru

• Black / 9561002

  Rolls Royce

• BS 4800 00 E 53 - Black

  British Standard

• Panther Black

  Ford

• Black / 005

  Peterbuilt

• Strukturschwarz Matt / 20139

  Mini

• Nero Opaco / 901

  Innocenti

• Black / PMF

  Range Rover

• Black Mat / 900

  FSO

• Allied Pickfords Black / GAF1124

  Fleet

• Noir Mat / 20BEV1

  Ligier

• Nero / 65453300

  Maserati

• Ebony / 19

  Hummer

• Black Wash (73201)

  Vallejo Game Color

• Black (950)

  Vallejo Model Color

• Graphitgrau / LH7B

  Man

• Black / WA8555

  Saturn

• Badab Black Wash

  Old Citadel

• Black Mat / 79

  Mazda

• Nero / 145

  Autobianchi

• Thamar Black

  Privateer Press Formula P3

• Canyon Black / 0001

  International Harvister

• Black

  Albany Paint

• Black

  Vista Paint

• Black / 6047

  Daihatsu

• Graphitschwarz / RAL9011

  Schmitz Cargobull

• Ebony Black / XA

  Mitsubishi

• Schwarz / 44

  Heinkel

• Black Mat / 9520907

  Bentley

• 200 Black

  McCormick Paints

• Black

  Crayola

• Black / XP

  Hyundai

• Black Mat / 09L

  Suzuki

• Pure Black (9037)

  Reaper Master

• Deep Black / N1B1

  Haima

• 85 Coal Black

  Humbrol

• Honda Black 2 / NH1Z

  UNKNOWN

Benzer Boyalar

1. Bentley

   1. ★ Beluga Satin Mat / 9562004
      #010101 ΔE = 0.274 / LRV ≈ 0.3%
   2. ★ Brewster Green / LO6C
      #020403 ΔE = 1.182 / LRV ≈ 0.3%

2. Smart

   1. ★ Jack Black / C55L
      #010101 ΔE = 0.274 / LRV ≈ 0.3%

3. Isuzu

   1. ★ Black / U8555
      #010101 ΔE = 0.274 / LRV ≈ 0.3%
   2. ★ Dark Blue / 695
      #010103 ΔE = 0.865 / LRV ≈ 0.3%

4. BMW

   1. ★ Anthrazit / 061
      #010101 ΔE = 0.274 / LRV ≈ 0.3%
   2. ★ Arravanigrau / B87
      #060707 ΔE = 1.881 / LRV ≈ 0.4%

5. Borgward

   1. ★ Dominoschwarz / 6111
      #010101 ΔE = 0.274 / LRV ≈ 0.3%
   2. Kirschrot / 106
      #100102 ΔE = 4.645 / LRV ≈ 0.3%

6. Geely

   1. ★ Gete Black / 343
      #010101 ΔE = 0.274 / LRV ≈ 0.3%

7. Lotus

   1. ★ Phantom Black / B123
      #010101 ΔE = 0.274 / LRV ≈ 0.3%

8. Ski-Doo

   1. ★ Deep Black / B160
      #010101 ΔE = 0.274 / LRV ≈ 0.3%
   2. ★ Ebony Black / B106
      #020202 ΔE = 0.548 / LRV ≈ 0.3%

9. Hummer

   1. ★ Vortex Black / 19U
      #010101 ΔE = 0.274 / LRV ≈ 0.3%
   2. All Terrain Blue / 48
      #010208 ΔE = 2.506 / LRV ≈ 0.3%

10. Ligier

    1. ★ Noir Ebene / P-08.3.531
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

11. MVS

    1. ★ Carbone / 200072
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

12. Kenworth USA

    1. ★ Black / L0001
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. Dark Green / N0568
       #000908 ΔE = 3.180 / LRV ≈ 0.4%

13. Roewe

    1. ★ Black / PBB
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

14. Lamborghini

    1. ★ Nero Noctis / LY9B
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

15. Ferrari

    1. ★ Nero / 1250
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. ★ Blu Pozzi / 521
       #010103 ΔE = 0.865 / LRV ≈ 0.3%

16. Mahindra

    1. ★ Black / 9000
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. ★ Harvest Green / 440
       #010605 ΔE = 1.969 / LRV ≈ 0.3%

17. Microcar

    1. ★ Noir Ebene / 8207
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

18. Rolls Royce

    1. ★ Black / R01
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. ★ Brewster Green / 9510056
       #020402 ΔE = 1.362 / LRV ≈ 0.3%

19. Tesla

    1. ★ Sierra Black / NEU105E
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. Racing Green / 1GN00
       #000804 ΔE = 3.214 / LRV ≈ 0.4%

20. UMM

    1. ★ Noir / 881
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. ★ Bleu / 366
       #010408 ΔE = 2.064 / LRV ≈ 0.3%

21. Great Wall

    1. ★ Imperial Black / 0801B
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

22. Mitsubishi

    1. ★ Black Matt / XK
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. ★ Black Matt / CNX18002
       #070707 ΔE = 1.919 / LRV ≈ 0.4%

23. Aixam

    1. ★ Noir / A412
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

24. Steel Primer Paste (Dtm)

    1. ★ Mercedes Chassis Schwarz Sdglz / 9124
       #010101 ΔE = 0.274 / LRV ≈ 0.3%
    2. Mercedes Novagrau Mat Sdglz / 7350
       #080909 ΔE = 2.425 / LRV ≈ 0.4%

25. AWD

    1. ★ Gloss Black / 9TL
       #010101 ΔE = 0.274 / LRV ≈ 0.3%

26. Peterbuilt

    1. ★ Black / N0001
       #020101 ΔE = 0.433 / LRV ≈ 0.3%
    2. ★ Blue / 2063
       #010203 ΔE = 0.705 / LRV ≈ 0.3%

27. Dongfeng Citroen

    1. ★ Aubergine / AC406
       #020101 ΔE = 0.433 / LRV ≈ 0.3%

28. Saipa

    1. ★ Black / 87B0715
       #020101 ΔE = 0.433 / LRV ≈ 0.3%
    2. Grey / 9190281
       #090b0c ΔE = 3.011 / LRV ≈ 0.4%

29. Wolseley

    1. ★ Anthracite Mat / LVE
       #020202 ΔE = 0.548 / LRV ≈ 0.3%
    2. Autumn Red / RD06
       #110101 ΔE = 5.013 / LRV ≈ 0.3%

30. Freightliner

    1. ★ Black / N0001
       #020202 ΔE = 0.548 / LRV ≈ 0.3%
    2. Balboa Blue / N0615
       #01060e ΔE = 3.971 / LRV ≈ 0.3%

31. GM / General Motors

    1. ★ Granada Black
       #020202 ΔE = 0.548 / LRV ≈ 0.3%
    2. Black Sapphire
       #08070d ΔE = 3.299 / LRV ≈ 0.4%

32. Kia

    1. ★ Black Cherry Mat / 9P
       #020202 ΔE = 0.548 / LRV ≈ 0.3%
    2. ★ Black Seidenglz. / 10010
       #020303 ΔE = 0.813 / LRV ≈ 0.3%

33. Teknos

    1. ★ GBI171
       #020000 ΔE = 0.567 / LRV ≈ 0.3%

34. Caran d'Ache

    1. ★ 009 Black
       #020100 ΔE = 0.578 / LRV ≈ 0.3%

35. Mazda

    1. ★ Black Mat / 10037
       #020203 ΔE = 0.697 / LRV ≈ 0.3%
    2. ★ Black Mat / 10039
       #030304 ΔE = 0.934 / LRV ≈ 0.3%

36. Zastava

    1. ★ Cobalt Black / 601
       #020203 ΔE = 0.697 / LRV ≈ 0.3%
    2. ★ Dark Brown / 847
       #050403 ΔE = 1.235 / LRV ≈ 0.3%

37. Man

    1. ★ Chassigrau Matt / R72843
       #030303 ΔE = 0.823 / LRV ≈ 0.3%
    2. Anthrazit Matt / 7585
       #0c0e0f ΔE = 3.942 / LRV ≈ 0.5%

38. Albany Paint

    1. ★ Soot Print
       #010103 ΔE = 0.865 / LRV ≈ 0.3%

39. Maserati

    1. ★ Blu Pozzi / 231878
       #010103 ΔE = 0.865 / LRV ≈ 0.3%
    2. Bordeaux / 304
       #090102 ΔE = 2.384 / LRV ≈ 0.3%

40. Mini

    1. ★ Connaught Green / GN18
       #020302 ΔE = 0.893 / LRV ≈ 0.3%

41. Tata

    1. ★ Bottle Green / 614
       #010303 ΔE = 0.898 / LRV ≈ 0.3%
    2. ★ Navy Blue / 546
       #020205 ΔE = 1.354 / LRV ≈ 0.3%

42. Jaguar

    1. ★ Coachline Black Cherry / JSC158
       #040101 ΔE = 0.945 / LRV ≈ 0.3%
    2. ★ Blue Purple Surfacer / JUC53
       #040306 ΔE = 1.560 / LRV ≈ 0.3%

43. Setra Evo

    1. ★ Antik Biskayablau / KS 2962
       #020204 ΔE = 0.998 / LRV ≈ 0.3%
    2. ★ Antik Biskayablau / EVO 2962
       #020205 ΔE = 1.354 / LRV ≈ 0.3%

44. Aston Martin

    1. ★ Mercedes Midnight Blue / R3004
       #010204 ΔE = 1.001 / LRV ≈ 0.3%
    2. ★ Amazon Green / AST5010D
       #000504 ΔE = 1.795 / LRV ≈ 0.3%

45. Perodua

    1. ★ Nautik Blue / B01
       #010204 ΔE = 1.001 / LRV ≈ 0.3%

46. Ford

    1. ★ Silver Mocha
       #040404 ΔE = 1.097 / LRV ≈ 0.3%
    2. Marine Blue
       #080b0b ΔE = 2.968 / LRV ≈ 0.4%

47. Humbrol

    1. ★ 201 Black
       #040000 ΔE = 1.133 / LRV ≈ 0.3%
    2. ★ 85 Coal Black
       #060607 ΔE = 1.713 / LRV ≈ 0.4%

48. Dupont

    1. ★ CAS1008
       #030405 ΔE = 1.165 / LRV ≈ 0.3%
    2. ★ CAS1007
       #040607 ΔE = 1.691 / LRV ≈ 0.3%

49. Suzuki

    1. ★ Azul Cazorla Mate / 003
       #020305 ΔE = 1.169 / LRV ≈ 0.3%
    2. Blue Green / 74H
       #000b10 ΔE = 4.619 / LRV ≈ 0.4%

50. Scania

    1. ★ Atlantic Blue / 1539603
       #010305 ΔE = 1.225 / LRV ≈ 0.3%
    2. Army Green Matt / 1366649
       #0a0b07 ΔE = 3.323 / LRV ≈ 0.4%

51. Panther

    1. ★ Westminster Blue / GL71
       #010305 ΔE = 1.225 / LRV ≈ 0.3%
    2. Brunswick Green / GL60
       #010804 ΔE = 3.060 / LRV ≈ 0.4%

52. Hyundai

    1. ★ Bronze Green / BN
       #040402 ΔE = 1.330 / LRV ≈ 0.3%

53. Testors

    1. ★ Testors 2547C
       #050001 ΔE = 1.482 / LRV ≈ 0.3%

54. Probe

    1. ★ Acadia Green / M3903
       #020504 ΔE = 1.499 / LRV ≈ 0.3%
    2. Aegean Green / K
       #060e10 ΔE = 4.355 / LRV ≈ 0.5%

55. Volvo

    1. ★ Atlantis Blue / BMW-207
       #010306 ΔE = 1.529 / LRV ≈ 0.3%
    2. Acid / MGR
       #000709 ΔE = 2.604 / LRV ≈ 0.3%

56. Studebaker

    1. ★ Black Cherry / W8336
       #060102 ΔE = 1.563 / LRV ≈ 0.3%

57. Opel

    1. ★ Anthrazit Matt / 010
       #040507 ΔE = 1.597 / LRV ≈ 0.3%
    2. ★ Anthrazit Matt / 70H
       #070708 ΔE = 1.980 / LRV ≈ 0.4%

58. ZAZ

    1. ★ Dunkelblau / 456
       #010206 ΔE = 1.729 / LRV ≈ 0.3%
    2. ★ Koenigsblau / 886406
       #020307 ΔE = 1.838 / LRV ≈ 0.3%

59. Morgan

    1. ★ Indigo Blue / 0088
       #010206 ΔE = 1.729 / LRV ≈ 0.3%
    2. ★ British Racing Green / 61
       #010503 ΔE = 1.763 / LRV ≈ 0.3%

60. Homebase

    1. ★ Forêt Noire
       #050608 ΔE = 1.835 / LRV ≈ 0.4%
    2. ★ Black Magic
       #050708 ΔE = 1.946 / LRV ≈ 0.4%

61. Dacia

    1. ★ Blue Navy / D42
       #020307 ΔE = 1.838 / LRV ≈ 0.3%
    2. Bleu Marine / 60017
       #01030a ΔE = 2.991 / LRV ≈ 0.3%

62. UNKNOWN

    1. ★ Bmw Ozeanblau / 054
       #030508 ΔE = 1.865 / LRV ≈ 0.3%

63. Wanderer

    1. ★ Rubin / 101
       #080202 ΔE = 1.891 / LRV ≈ 0.3%

64. Samsung

    1. ★ Solid Blue / RXB
       #010308 ΔE = 2.234 / LRV ≈ 0.3%

65. Flügger

    1. Sort
       #010006 ΔE = 2.445 / LRV ≈ 0.3%
    2. Almuesort (U-764)
       #121110 ΔE = 5.167 / LRV ≈ 0.6%

66. Ssangyong

    1. Anthracite Black / LAM
       #090909 ΔE = 2.468 / LRV ≈ 0.4%

67. Revell

    1. Revell 37107
       #03050a ΔE = 2.485 / LRV ≈ 0.3%

68. Chrysler

    1. Chevron Blue
       #010208 ΔE = 2.506 / LRV ≈ 0.3%
    2. Black Gray
       #101010 ΔE = 4.680 / LRV ≈ 0.6%

69. Volkswagen

    1. Midnight Blue
       #07090b ΔE = 2.584 / LRV ≈ 0.4%

70. Krylon

    1. Navy
       #000309 ΔE = 2.660 / LRV ≈ 0.3%

71. Porsche

    1. Achatgrau / 7B2
       #090a0a ΔE = 2.698 / LRV ≈ 0.4%
    2. Albertblau / 1818
       #01040c ΔE = 3.534 / LRV ≈ 0.3%

72. Otokar

    1. Stahlblau / M151377
       #01040a ΔE = 2.752 / LRV ≈ 0.3%

73. Shanghai Gm

    1. Abbott Grey / 20154
       #090b0c ΔE = 3.011 / LRV ≈ 0.4%
    2. Algonquin Green / 23343
       #0b0e06 ΔE = 5.060 / LRV ≈ 0.5%

74. Schmitz Cargobull

    1. Anthrazitgrau / RAL7016
       #080b0c ΔE = 3.019 / LRV ≈ 0.4%

75. Liebherr

    1. Anthrazitgrau / RAL7016
       #080b0c ΔE = 3.019 / LRV ≈ 0.4%
    2. Blau / 874859
       #00080c ΔE = 3.293 / LRV ≈ 0.4%

76. Caparol

    1. 68 / 68 Tiefschwarz
       #000008 ΔE = 3.229 / LRV ≈ 0.3%
    2. 144 / 144 Eukalyptus+Schwarz1/1
       #000810 ΔE = 4.660 / LRV ≈ 0.4%

77. ARO

    1. Bleu / 450
       #01070d ΔE = 3.449 / LRV ≈ 0.4%
    2. Kaki / 792
       #0b0a04 ΔE = 3.621 / LRV ≈ 0.4%

78. Iveco

    1. Anthracite Opaco / 288
       #0d0d0d ΔE = 3.635 / LRV ≈ 0.5%

79. Maxitrans

    1. Amazon Green / GAF9936
       #010a05 ΔE = 3.861 / LRV ≈ 0.4%

80. Toyota

    1. Alhambra Red / 1422
       #100403 ΔE = 4.079 / LRV ≈ 0.4%

81. Jedynka

    1. Fekete
       #110a0c ΔE = 4.127 / LRV ≈ 0.5%

82. RAL

    1. RAL 9005 / Jet Black
       #0e0e10 ΔE = 4.153 / LRV ≈ 0.5%

83. Pantone / PMS

    1. 433 2X
       #0a0c11 ΔE = 4.232 / LRV ≈ 0.5%
    2. Black 4 2X
       #0f0f0f ΔE = 4.315 / LRV ≈ 0.5%

84. Van Hool

    1. Brown / 907744
       #110703 ΔE = 4.344 / LRV ≈ 0.4%

85. Little Greene

    1. Jack Black
       #040e0f ΔE = 4.481 / LRV ≈ 0.5%

86. Fender

    1. 64 / Montego Black
       #0e100e ΔE = 4.657 / LRV ≈ 0.6%

87. General Paint

    1. Portage / CLV 1184N
       #100000 ΔE = 4.837 / LRV ≈ 0.3%

88. Lada

    1. Dingo Grau / 610
       #101113 ΔE = 5.196 / LRV ≈ 0.6%

#000000 HTML / CSS Kod Örnekleri

<p style="color: #000">…</p>

<p style="background-color: #000">…</p>

<p style="text-shadow: 0.1em 0.1em 0.15em #000">…</p>

Renk Çizelgeleri

• RGB

  

• CMYK

  

• RYB

  

Renk Boşluk Dönüşümleri

Ondalık

0

İkili

00000000, 00000000, 00000000

Onaltılı

#000000 / #000

LRV

≈ 0.3%

RGB

rgb(0, 0, 0)

RGBA

rgba(0, 0, 0, 1.0)

rg boyanabilirliği

r: 0.000, g: 0.000, b: 0.000

RYB

kırmızı: 0.000%, sarı: 0.000%, mavi: 0.000%

Android / android.graphics.Color

-16777216 / 0xff000000

HSL

hsl(0, 0%, 0%)

HSLA

hsla(0, 0%, 0%, 1.0)

HSV / HSB

ton: 0° (0.000), doygunluk: 0% (0.000), parlaklık: 0% (0.000)

HSP

ton: 0.000, doygunluk: 0.000%, algılanan parlaklık: 0.000%

HSL_uv (HUSL)

H: 0.000, S: 0.000, L: 0.000

Cubehelix

H: -120.000, S: NaN, L: 0.000

TSL

T: 0.000, S: 0.000, L: 0.000

CMYK

camgöbeği: 0% (0.000), eflatun: 0% (0.000), sarı: 0% (0.000), siyah: 100% (1.000)

CMY

camgöbeği: 100% (1.000), eflatun: 100% (1.000), sarı: 100% (1.000)

XYZ

X: 0.000, Y: 0.000, Z: 0.000

xyY

x: 0.000, y: 0.000, Y: 0.000

CIELab

L: 0.000, a: 0.000, b: 0.000

CIELuv

L: 0.000, u: 0.000, v: 0.000

CIELCH / LCHab

L: 0.000, C: 0.000, H: 0.000

CIELUV / LCHuv

L: 0.000, C: 0.000, H: 0.000

Hunter-Lab

L: 0.000, a: 0.000, b: 0.000

CIECAM02

J: 0.000, C: 0.000, h: 180.000, Q: 0.000, M: 0.000, s: 0.000, H: 224.729

OSA-UCS

yumuşaklık: -12.963, sarı: 0.000, yeşil: 0.000

LMS

L: 0.000, M: 0.000, S: 0.000

YCbCr

Y: 16.000, Cb: 128.000, Cr: 128.000

YCoCg

Y: 0.000, Cg: 0.000, Co: 0.000

YDbDr

Y: 0.000, Db: 0.000, Dr: 0.000

YPbPr

Y: 0.000, Pb: 0.000, Pr: 0.000

xvYCC

Y: 16.000, Cb: 128.000, Cr: 128.000

YIQ

Y: 0.000, I: 0.000, Q: 0.000

YUV

Y: 0.000, U: 0.000, V: 0.000

Munsell Renk Sistemi

7.5BG 2/2 ΔE = 19.230

Renk Markası

Squarespace ΔE = 5.464

Rastgele Renkler

• #5013c3
• #b097b8
• #776833
• #d36c65
• #2c3635

Kırmızı

• #e1c2b6
• #7b302c
• #55352e
• #ecadab
• #923315

Yeşil

• #c4d2b1
• #c9f3a1
• #67e358
• #425c2a
• #28dc21

Mavi

• #b3b9d2
• #5562ca
• #95a7cc
• #5455af
• #5d7ccb