Encycolorpedia

Brighto Paints 8460 Black / ‎#333938 أكواد الألوان الست عشرية

#333938 Paint Chipالكود اللوني الست عشري‎#333938 هو ظل مظلم للأخضر سماوي.‏ في نموذج RGB للألوان يتكون ‎#333938 من‎20% أحمر، و‎22.35% أخضر، و‎21.96% أزرق. وفي الفضاء اللوني HSL يتكون ‎#333938 من صبغة لون170 درجة، و ‎6% تشبع، و ‎21% إضاءة. وهذا اللون له طول موجي يبلغ تقريباً 495.34 نانومتر.

الاختلافات اللون

ألوان مسماة

الألوان

تحميل: GIMP GPL Adobe ASE (Adobe Swatch Exchange) Sketch Palette

ألوان أحادية

  1. ‎#2a302f
  2. ‎#2d3332
  3. ‎#303635
  4. ‎#333938
  5. ‎#363c3b
  6. ‎#393f3e
  7. ‎#3c4241

الصبغات والظلال

‎#333938 إلى الأبيض

  1. ‎#333938
  2. ‎#515655
  3. ‎#717574
  4. ‎#929695
  5. ‎#b5b8b7
  6. ‎#dadbdb
  7. ‎#ffffff / #fff

‎#333938 إلى الأسو

  1. ‎#333938
  2. ‎#2b302f
  3. ‎#242827
  4. ‎#1d1f1f
  5. ‎#161817
  6. ‎#0d0e0e
  7. ‎#000000 / #000

الدهانات

دهانات مطابقة دقيقة

دهانات مماثلة

  1. Kansai Paint

    1. ★ Black
      ‎#343938
      ΔE = 0.403 / LRV ≈ 3.9%
    2. ★ Black
      ‎#343937
      ΔE = 0.752 / LRV ≈ 3.9%
  2. Crown Diamond

    1. ★ 7313-83 Ocean Blue
      ‎#323838
      ΔE = 0.765 / LRV ≈ 3.8%
    2. 7317-83 Typhoon Blue
      ‎#383f42
      ΔE = 3.724 / LRV ≈ 4.8%
  3. Sigma

    1. ★ Yellow Ocre / 9011
      ‎#353b3a
      ΔE = 0.901 / LRV ≈ 4.2%
    2. Mistic Purple / 9004
      ‎#3b3f3e
      ΔE = 2.976 / LRV ≈ 4.8%
  4. Brighto Paints

    1. ★ 6821 Black
      ‎#353a38
      ΔE = 0.904 / LRV ≈ 4.1%
    2. ★ 5-37-7 Licorice
      ‎#363a38
      ΔE = 1.187 / LRV ≈ 4.1%
  5. Ford

    1. ★ Dark Slate
      ‎#323a3a
      ΔE = 1.026 / LRV ≈ 4.0%
    2. Brewster Green
      ‎#26302d
      ΔE = 5.002 / LRV ≈ 2.7%
  6. Caparol

    1. ★ Schiefer 2
      ‎#343838
      ΔE = 1.049 / LRV ≈ 3.8%
    2. 40 5 80 / Palazzo 70
      ‎#3c3c38
      ΔE = 3.655 / LRV ≈ 4.5%
  7. GM / General Motors

    1. ★ Falcon Gray
      ‎#363b39
      ΔE = 1.214 / LRV ≈ 4.2%
    2. Ivanhoe Green
      ‎#28363a
      ΔE = 4.548 / LRV ≈ 3.4%
  8. Farrow & Ball

    1. ★ Studio Green / 93
      ‎#363c3c
      ΔE = 1.523 / LRV ≈ 4.3%
    2. ★ Black Blue / 95
      ‎#2f3535
      ΔE = 1.894 / LRV ≈ 3.4%
  9. Sherwin-Williams

    1. ★ Greenblack - 6994
      ‎#373a3a
      ΔE = 1.551 / LRV ≈ 4.1%
    2. ★ Rookwood Shutter Green - 2809
      ‎#303b39
      ΔE = 2.070 / LRV ≈ 4.1%
  10. Brillux

    1. ★ 78.01.33
      ‎#303534
      ΔE = 1.768 / LRV ≈ 3.4%
    2. 69.06.33
      ‎#313c3f
      ΔE = 3.209 / LRV ≈ 4.2%
  11. Berger

    1. ★ Contessa's Cape / 8285
      ‎#383a39
      ΔE = 1.798 / LRV ≈ 4.2%
    2. Moonless Sky / 8333
      ‎#3a4040
      ΔE = 3.228 / LRV ≈ 4.9%
  12. Vista Paint

    1. ★ Contessa's Cape
      ‎#383a39
      ΔE = 1.798 / LRV ≈ 4.2%
    2. Moonless Sky
      ‎#3a4040
      ΔE = 3.228 / LRV ≈ 4.9%
  13. Scib Paints

    1. ★ Contessa's Cape / 8285
      ‎#383a39
      ΔE = 1.798 / LRV ≈ 4.2%
    2. In the Dark / 8245
      ‎#36373c
      ΔE = 4.473 / LRV ≈ 3.8%
  14. Audi

    1. ★ Panther Black Metallic / LY9Z
      ‎#383a39
      ΔE = 1.798 / LRV ≈ 4.2%
    2. Ebony Pearl/Ebonyschwarz Pearl / 4Z, 4Z4Z, LZ9W
      ‎#2e3031
      ΔE = 4.230 / LRV ≈ 2.9%
  15. Dulux

    1. ★ 00BB 06/017
      ‎#36393a
      ΔE = 1.813 / LRV ≈ 4.0%
    2. 60RR 07/002
      ‎#3f3e3e
      ΔE = 4.165 / LRV ≈ 4.8%
  16. Benjamin Moore

    1. ★ Black Knight / 2136-10
      ‎#313637
      ΔE = 1.816 / LRV ≈ 3.6%
    2. Mopboard Black / CW-680
      ‎#38393a
      ΔE = 2.477 / LRV ≈ 4.1%
  17. Graham & Brown

    1. ★ Black Cab
      ‎#2f3535
      ΔE = 1.894 / LRV ≈ 3.4%
    2. Cat Black
      ‎#3c3c3c
      ΔE = 3.137 / LRV ≈ 4.5%
  18. Colorhouse

    1. ★ Nourish .06
      ‎#313536
      ΔE = 2.194 / LRV ≈ 3.5%
  19. Nippon Paint

    1. ★ Black Magic / NP N 1988 A
      ‎#383c3d
      ΔE = 2.211 / LRV ≈ 4.4%
    2. Black Night / NP N 1995 A
      ‎#3a3f42
      ΔE = 3.897 / LRV ≈ 4.8%
  20. Sikkens

    1. ★ SN.02.17
      ‎#383a3b
      ΔE = 2.259 / LRV ≈ 4.2%
    2. XN.01.06 (RAL 9004)
      ‎#2f2f30
      ΔE = 4.854 / LRV ≈ 2.9%
  21. Evonik-Degussa

    1. 802
      ‎#383838
      ΔE = 2.480 / LRV ≈ 4.0%
    2. 333
      ‎#3a3f44
      ΔE = 4.848 / LRV ≈ 4.9%
  22. Coronado Paint

    1. 8253 - Kitty Kitty
      ‎#373736
      ΔE = 2.493 / LRV ≈ 3.8%
    2. 8285 - Contessas Cape
      ‎#404140
      ΔE = 4.504 / LRV ≈ 5.2%
  23. Clark+Kensington

    1. Moonless Sky / EXTCC-51
      ‎#373c3e
      ΔE = 2.508 / LRV ≈ 4.4%
    2. Little Black Dress / 38A-5
      ‎#3b3e43
      ΔE = 4.877 / LRV ≈ 4.8%
  24. Tollens

    1. T2131-3
      ‎#3a3b39
      ΔE = 2.539 / LRV ≈ 4.3%
    2. T2039-5
      ‎#32342d
      ΔE = 4.651 / LRV ≈ 3.3%
  25. Old Citadel

    1. Boltgun Metal
      ‎#393939
      ΔE = 2.544 / LRV ≈ 4.1%
  26. Crown Paint

    1. Rebel
      ‎#393939
      ΔE = 2.544 / LRV ≈ 4.1%
  27. Vallejo Model Color

    1. Gunmetal Grey (863)
      ‎#393939
      ΔE = 2.544 / LRV ≈ 4.1%
  28. Vallejo Game Color

    1. Gunmetal / Gunmetal Metal (054)
      ‎#393939
      ΔE = 2.544 / LRV ≈ 4.1%
  29. Reaper Master

    1. Shadowed Steel (9052)
      ‎#393939
      ΔE = 2.544 / LRV ≈ 4.1%
  30. Diamond Vogel

    1. Grantsburg Gray / H101
      ‎#393a3b
      ΔE = 2.609 / LRV ≈ 4.2%
    2. Silent Sea / 0515
      ‎#3d3d3e
      ΔE = 3.691 / LRV ≈ 4.7%
  31. Dutch Boy

    1. Gargoyle Shadow
      ‎#373735
      ΔE = 2.629 / LRV ≈ 3.8%
  32. Pratt & Lambert

    1. Essex Deep Green 20-17
      ‎#2f3b38
      ΔE = 2.658 / LRV ≈ 4.0%
    2. Anubis 32-17
      ‎#3d3937
      ΔE = 4.502 / LRV ≈ 4.2%
  33. RAL

    1. RAL 000 25 00
      ‎#3a3a3a
      ΔE = 2.682 / LRV ≈ 4.2%
    2. RAL 790-3
      ‎#313538
      ΔE = 3.136 / LRV ≈ 3.5%
  34. Vallejo

    1. Vallejo 70.866 #165
      ‎#3b3d3c
      ΔE = 2.689 / LRV ≈ 4.6%
    2. Vallejo 70.816 #105
      ‎#2e3136
      ΔE = 5.230 / LRV ≈ 3.0%
  35. Crayola

    1. Outer Space
      ‎#2d383a
      ΔE = 2.710 / LRV ≈ 3.7%
  36. Colortrend

    1. Sayward Pine
      ‎#3a3c3d
      ΔE = 2.735 / LRV ≈ 4.5%
    2. Templar Grey
      ‎#363d42
      ΔE = 4.229 / LRV ≈ 4.5%
  37. Rodda Paint

    1. Sayward Pine H101
      ‎#3a3c3d
      ΔE = 2.735 / LRV ≈ 4.5%
  38. Sico

    1. 6210-83 Grand Piano
      ‎#353535
      ΔE = 2.765 / LRV ≈ 3.6%
    2. 6154-83 Alamo's Night
      ‎#34403f
      ΔE = 3.442 / LRV ≈ 4.8%
  39. Earthpaint

    1. 5-37-7 Licorice
      ‎#353535
      ΔE = 2.765 / LRV ≈ 3.6%
    2. 5-29-7 Phantom
      ‎#3f4341
      ΔE = 4.713 / LRV ≈ 5.5%
  40. California Paints

    1. Sayward Pine
      ‎#3a3d3e
      ΔE = 2.777 / LRV ≈ 4.6%
    2. DE 6350 - Dark Engine
      ‎#3e3f41
      ΔE = 4.318 / LRV ≈ 5.0%
  41. Tikkurila

    1. 564X
      ‎#3b3c3c
      ΔE = 2.782 / LRV ≈ 4.5%
    2. 0202 / Black
      ‎#3f3e3f
      ΔE = 4.359 / LRV ≈ 4.9%
  42. Johnstone's Paint

    1. Black
      ‎#39393a
      ΔE = 2.870 / LRV ≈ 4.1%
  43. Disney

    1. 4B-10 Mouse Ears
      ‎#3b3b3b
      ΔE = 2.885 / LRV ≈ 4.4%
    2. 4C-10-4 Galaxy Black
      ‎#343c40
      ΔE = 3.469 / LRV ≈ 4.3%
  44. Chrysler

    1. Charcoal Gray
      ‎#3b3b3b
      ΔE = 2.885 / LRV ≈ 4.4%
    2. Seaplane Green
      ‎#2e3b36
      ΔE = 3.710 / LRV ≈ 4.0%
  45. ICI Paints

    1. 4440 Black Mica 30BB 05/022
      ‎#35383b
      ΔE = 2.909 / LRV ≈ 3.9%
    2. 4435 Cannon 50BG 06/044
      ‎#374143
      ΔE = 4.060 / LRV ≈ 5.0%
  46. Peintures MF

    1. Sombre prodige
      ‎#323d3f
      ΔE = 2.961 / LRV ≈ 4.4%
    2. Neptunia
      ‎#373d43
      ΔE = 4.850 / LRV ≈ 4.6%
  47. Behr

    1. Black Watch C60-35
      ‎#383737
      ΔE = 2.995 / LRV ≈ 3.8%
    2. Blind Faith PPOC-66
      ‎#3d3f40
      ΔE = 3.742 / LRV ≈ 4.9%
  48. Alcro

    1. Guinea fowl
      ‎#3c3c3c
      ΔE = 3.137 / LRV ≈ 4.5%
    2. Fado
      ‎#30383e
      ΔE = 4.462 / LRV ≈ 3.8%
  49. Levis

    1. Clear Grey B80
      ‎#3c3e3e
      ΔE = 3.145 / LRV ≈ 4.8%
    2. Clear Grey C70
      ‎#3f3e3e
      ΔE = 4.165 / LRV ≈ 4.8%
  50. Krylon

    1. Smoke Gray
      ‎#3b3b38
      ΔE = 3.163 / LRV ≈ 4.3%
  51. Dunn-Edwards

    1. Black / 98
      ‎#3b3a3a
      ΔE = 3.188 / LRV ≈ 4.3%
    2. Dark Engine / 105
      ‎#3e3f41
      ΔE = 4.318 / LRV ≈ 5.0%
  52. Homebase

    1. Black Magic
      ‎#39393b
      ΔE = 3.274 / LRV ≈ 4.1%
  53. Tamiya

    1. Tamiya 80301,XF1
      ‎#333333 / #333
      ΔE = 3.275 / LRV ≈ 3.3%
    2. Tamiya 80350,XF50
      ‎#364145
      ΔE = 4.821 / LRV ≈ 5.0%
  54. Humbrol

    1. 67 Tank Grey
      ‎#333333 / #333
      ΔE = 3.275 / LRV ≈ 3.3%
    2. 10 Service Brown
      ‎#3e3a39
      ΔE = 4.565 / LRV ≈ 4.3%
  55. Australian Standard AS2700

    1. G63 Deep Bronze Green
      ‎#333333 / #333
      ΔE = 3.275 / LRV ≈ 3.3%
    2. B64 Charcoal
      ‎#363e44
      ΔE = 4.956 / LRV ≈ 4.6%
  56. Dulux Australia

    1. Domino / GR10
      ‎#3c3e3f
      ΔE = 3.382 / LRV ≈ 4.8%
    2. Deep Bronze Green / O4
      ‎#353b33
      ΔE = 4.348 / LRV ≈ 4.1%
  57. Resene

    1. Aztec G33-009-187
      ‎#293432
      ΔE = 3.440 / LRV ≈ 3.2%
    2. Blast Grey 1 M34-004-071
      ‎#3d3c3a
      ΔE = 3.614 / LRV ≈ 4.5%
  58. Valspar Paint

    1. Tempest's Teapot L18DW35B
      ‎#393d40
      ΔE = 3.441 / LRV ≈ 4.6%
    2. Tuxedo Tie
      ‎#3e4444
      ΔE = 4.968 / LRV ≈ 5.6%
  59. Hummer

    1. Light Grey / 14
      ‎#3a3836
      ΔE = 3.511 / LRV ≈ 4.0%
  60. Kelly-Moore

    1. Black (Semi-Gloss) / 568
      ‎#3d3e3f
      ΔE = 3.669 / LRV ≈ 4.8%
    2. Carbon / 407
      ‎#323131
      ΔE = 4.214 / LRV ≈ 3.1%
  61. AMC

    1. Northern Gray
      ‎#3c3d3f
      ΔE = 3.703 / LRV ≈ 4.7%
    2. Harvard Gray
      ‎#373434
      ΔE = 4.193 / LRV ≈ 3.5%
  62. Federal Standard

    1. Federal Standard 34077
      ‎#2e3933
      ΔE = 3.756 / LRV ≈ 3.7%
    2. Federal Standard 25042
      ‎#353f45
      ΔE = 5.182 / LRV ≈ 4.7%
  63. Volkswagen

    1. Bright Green
      ‎#2e3d3a
      ΔE = 3.762 / LRV ≈ 4.2%
    2. Classic Green
      ‎#253336
      ΔE = 4.984 / LRV ≈ 3.0%
  64. CIL

    1. Dark Secret
      ‎#3e3d3d
      ΔE = 3.868 / LRV ≈ 4.7%
    2. Black Mica
      ‎#404244
      ΔE = 5.149 / LRV ≈ 5.4%
  65. Natural Color System / NCS

    1. S 8005-G20Y
      ‎#31342e
      ΔE = 4.037 / LRV ≈ 3.3%
    2. S 8005-G50Y
      ‎#34342d
      ΔE = 4.975 / LRV ≈ 3.4%
  66. British Standard

    1. BS381 642 - Night
      ‎#3f3f3f
      ΔE = 4.094 / LRV ≈ 5.0%
  67. Craig & Rose

    1. Caviar
      ‎#3f3f3f
      ΔE = 4.094 / LRV ≈ 5.0%
  68. Pantone / PMS

    1. 447
      ‎#363630
      ΔE = 4.194 / LRV ≈ 3.6%
    2. 446
      ‎#404040
      ΔE = 4.455 / LRV ≈ 5.1%
  69. Flügger

    1. Blue Shade 5 (IN-734)
      ‎#303337
      ΔE = 4.209 / LRV ≈ 3.3%
    2. Green Shade 5 (IN-739)
      ‎#2e352d
      ΔE = 4.889 / LRV ≈ 3.3%
  70. Devoe Paint

    1. Dark Secret / 00NN 05/000
      ‎#3f3d3b
      ΔE = 4.289 / LRV ≈ 4.7%
    2. Black Mica / 30BB 05/022
      ‎#414242
      ΔE = 4.958 / LRV ≈ 5.4%
  71. Lascaux

    1. Transoxide black / 183
      ‎#3f3f40
      ΔE = 4.321 / LRV ≈ 5.0%
  72. Beckers

    1. Orkan 542 / S 8001-R61B
      ‎#333234
      ΔE = 4.345 / LRV ≈ 3.2%
    2. Skorsten 519 / S 7500-N
      ‎#404040
      ΔE = 4.455 / LRV ≈ 5.1%
  73. Ralph Lauren

    1. Amazon / RLNA235
      ‎#3e413d
      ΔE = 4.363 / LRV ≈ 5.1%
    2. Bone Black / RLTH226
      ‎#2f2f2f
      ΔE = 4.694 / LRV ≈ 2.8%
  74. New Look

    1. Siberian Nights / A04-10
      ‎#40403f
      ΔE = 4.423 / LRV ≈ 5.1%
  75. Wattyl

    1. Colorbond Night Sky ® / A29W
      ‎#40403f
      ΔE = 4.423 / LRV ≈ 5.1%
  76. Volvo

    1. Apollo Grey New / VW-024
      ‎#30302e
      ΔE = 4.438 / LRV ≈ 2.9%
  77. Asian Paints

    1. Raven Song / 8253
      ‎#404040
      ΔE = 4.455 / LRV ≈ 5.1%
  78. Marston & Langinger

    1. Peat
      ‎#373630
      ΔE = 4.468 / LRV ≈ 3.7%
  79. Dupont

    1. CAS888
      ‎#253333
      ΔE = 4.547 / LRV ≈ 3.0%
    2. CAS904
      ‎#263235
      ΔE = 4.857 / LRV ≈ 3.0%
  80. Toyo Ink

    1. CF11014
      ‎#3f3d39
      ΔE = 4.627 / LRV ≈ 4.7%
    2. CF11011
      ‎#323d35
      ΔE = 4.861 / LRV ≈ 4.3%
  81. Jotun

    1. 0099 / Sort
      ‎#403e3b
      ΔE = 4.680 / LRV ≈ 4.9%
  82. Model Master

    1. Model Master 28142
      ‎#3e3a3b
      ΔE = 4.757 / LRV ≈ 4.4%
    2. Model Master 2949
      ‎#373334
      ΔE = 4.878 / LRV ≈ 3.4%
  83. Olympic

    1. Black Magic D58-6
      ‎#41403f
      ΔE = 4.771 / LRV ≈ 5.1%
  84. PPG Pittsburgh Paints

    1. Joggling Board Chs-50
      ‎#33423f
      ΔE = 4.806 / LRV ≈ 5.0%
    2. Black Magic / PPG1001-7
      ‎#414040
      ΔE = 4.824 / LRV ≈ 5.2%
  85. Porter Paints

    1. Black Magic / 518-7
      ‎#414040
      ΔE = 4.824 / LRV ≈ 5.2%
  86. Glidden

    1. Black Magic / PPG1001-7
      ‎#414040
      ΔE = 4.824 / LRV ≈ 5.2%
    2. Deepest Woodland Green / 50GG 05/063
      ‎#374442
      ΔE = 5.037 / LRV ≈ 5.3%
  87. Games Workshop - Citadel

    1. Dryad Bark
      ‎#33312d
      ΔE = 5.000 / LRV ≈ 3.1%
  88. Magnolia Home

    1. Blackboard / JG-05
      ‎#31343a
      ΔE = 5.054 / LRV ≈ 3.4%
  89. General Paint

    1. Crow's Head / CL 3167N
      ‎#424241
      ΔE = 5.178 / LRV ≈ 5.4%
  90. Duron

    1. Rookwood Shutter Green
      ‎#263a38
      ΔE = 5.213 / LRV ≈ 3.7%

‎#333938 HTML / CSS أمثلة على الرمز

‎#333938 الصدارة

كل فولة ولها كيال

<p style="color: #333938">…</p>

‎#333938 الخلفية

فلان بوجهين.

<p style="background-color: #333938">…</p>

‎#333938 ظل النص

أسرع من الطرف.

<p style="text-shadow: 0.1em 0.1em 0.15em #333938">…</p>

الرسوم البيانية للون

تحويلات مساحة اللون

عشري
3356984
الثنائية
00110011, 00111001, 00111000
عشري
#333938
LRV
≈ 3.9%
أقرب لون ست عشري قصير
#333 ΔE = 3.516
RGB
rgb(51, 57, 56)
RGBA
rgba(51, 57, 56, 1.0)
rg اللونية
r: 0.311, g: 0.348, b: 0.341
RYB
أحمر: 20.000%, أصفر: 21.283%, أزرق: 22.353%
Android / android.graphics.Color
-13420232 / 0xff333938
HSL
hsl(170, 6%, 21%)
HSLA
hsla(170, 6%, 21%, 1.0)
HSV / HSB
صبغة: 170° (170.000), تشبع: 11% (0.105), قيمة: 22% (0.224)
HSP
صبغة: 170.000, تشبع: 10.526%, السطوع المدركة: 21.630%
HSLuv (HUSL)
H: 178.478, S: 15.410, L: 23.390
Cubehelix
H: -198.444, S: 0.053, L: 0.216
TSL
T: -1.327, S: 0.036, L: 0.216
CMYK
سيان: 11% (0.105), ماجنتي: 0% (0.000), أصفر: 2% (0.018), أسود: 78% (0.776)
CMY
سيان: 80% (0.800), ماجنتي: 78% (0.776), أصفر: 78% (0.780)
XYZ
X: 3.542, Y: 3.916, Z: 4.310
xyY
x: 0.301, y: 0.333, Y: 3.916
CIELab
L: 23.390, a: -2.776, b: -0.246
CIELuv
L: 23.390, u: -2.872, v: 0.076
CIELCH / LCHab
L: 23.390, C: 2.787, H: 185.057
CIELUV / LCHuv
L: 23.390, C: 2.873, H: 178.478
Hunter-Lab
L: 19.788, a: -2.677, b: 0.938
CIECAM02
J: 16.752, C: 5.253, h: 189.927, Q: 80.638, M: 4.594, s: 23.867, H: 239.293
OSA-UCS
خفة: -10.074, أصفر: -0.085, أخضر: 0.573
LMS
L: 3.578, M: 4.181, S: 4.302
YCbCr
Y: 63.323, Cb: 128.449, Cr: 125.437
YCoCg
Y: 55.250, Cg: 1.750, Co: 11.500
YDbDr
Y: 55.092, Db: 1.367, Dr: 7.781
YPbPr
Y: 55.650, Pb: 0.190, Pr: -2.954
xvYCC
Y: 63.794, Cb: 128.167, Cr: 125.405
YIQ
Y: 55.092, I: -3.253, Q: -1.580
YUV
Y: 55.092, U: 0.447, V: -3.590
نظام الألوان مونسل
10G 2/1 ΔE = 3.094
لون العلامة التجارية
Dunked ΔE = 6.154

ألوان عشوائية

أحمر

أخضر

أزرق