Encycolorpedia

‎#3e4741 أكواد الألوان الست عشرية

#3e4741 Paint Chipالكود اللوني الست عشري‎#3e4741 هو ظل متوسط​الإظلام للأخضر.‏ في نموذج RGB للألوان يتكون ‎#3e4741 من‎24.31% أحمر، و‎27.84% أخضر، و‎25.49% أزرق. وفي الفضاء اللوني HSL يتكون ‎#3e4741 من صبغة لون140 درجة، و ‎7% تشبع، و ‎26% إضاءة. وهذا اللون له طول موجي يبلغ تقريباً 528.75 نانومتر.

الاختلافات اللون

ألوان مسماة

الألوان

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

ألوان أحادية

  1. ‎#333b36
  2. ‎#363f39
  3. ‎#3a433d
  4. ‎#3e4741
  5. ‎#424b45
  6. ‎#464f49
  7. ‎#4a534d

الصبغات والظلال

‎#3e4741 إلى الأبيض

  1. ‎#3e4741
  2. ‎#5b635d
  3. ‎#79807b
  4. ‎#999e9a
  5. ‎#babdbb
  6. ‎#dcdedc
  7. ‎#ffffff / #fff

‎#3e4741 إلى الأسو

  1. ‎#3e4741
  2. ‎#343c37
  3. ‎#2b312d
  4. ‎#222623
  5. ‎#191c1a
  6. ‎#0f1110
  7. ‎#000000 / #000

الدهانات

دهانات مماثلة

  1. RAL

    1. ★ RAL 160 30 05
      ‎#3e4740
      ΔE = 0.553 / LRV ≈ 5.9%
    2. RAL 850-6
      ‎#4c4b46
      ΔE = 4.775 / LRV ≈ 7.0%
  2. Ford

    1. ★ Yosemite Green
      ‎#404842
      ΔE = 0.641 / LRV ≈ 6.1%
    2. Briarcliffe Green
      ‎#424c48
      ΔE = 2.472 / LRV ≈ 6.8%
  3. Audi

    1. ★ Piniengruen Pearl / 4S, LZ6S
      ‎#404841
      ΔE = 0.846 / LRV ≈ 6.1%
    2. Lorbeergruen Metallic / 7N, LY6R
      ‎#41493d
      ΔE = 3.360 / LRV ≈ 6.2%
  4. Dupont

    1. ★ CAS871
      ‎#404a44
      ΔE = 1.269 / LRV ≈ 6.4%
    2. CAS839
      ‎#48473d
      ΔE = 4.764 / LRV ≈ 6.2%
  5. Devoe Paint

    1. ★ Tavern Green / 50GG 05/063
      ‎#3a4640
      ΔE = 1.283 / LRV ≈ 5.6%
    2. Black Swan / 50GY 06/077
      ‎#434a3e
      ΔE = 3.592 / LRV ≈ 6.4%
  6. Sigma

    1. ★ Natural Green / S 8005-B80G
      ‎#3d4844
      ΔE = 1.425 / LRV ≈ 6.0%
    2. Mistic Purple / 9004
      ‎#3b3f3e
      ΔE = 4.338 / LRV ≈ 4.8%
  7. GM / General Motors

    1. ★ Empire Blue
      ‎#404a42
      ΔE = 1.598 / LRV ≈ 6.4%
    2. Harmony Gray
      ‎#3f4a49
      ΔE = 3.276 / LRV ≈ 6.4%
  8. Sikkens

    1. ★ K2.05.25
      ‎#434842
      ΔE = 1.709 / LRV ≈ 6.2%
    2. Q4.09.22 (RAL 7026)
      ‎#394547
      ΔE = 4.915 / LRV ≈ 5.6%
  9. Natural Color System / NCS

    1. ★ S 7010-B90G
      ‎#38453f
      ΔE = 1.877 / LRV ≈ 5.5%
    2. S 7502-G
      ‎#3f403d
      ΔE = 4.032 / LRV ≈ 5.1%
  10. Resene

    1. ★ Pioneer M46-015-178
      ‎#394541
      ΔE = 1.929 / LRV ≈ 5.5%
    2. Isobar M46-019-186
      ‎#374846
      ΔE = 3.622 / LRV ≈ 5.9%
  11. Brighto Paints

    1. ★ 5-29-7 Phantom
      ‎#404946
      ΔE = 1.960 / LRV ≈ 6.3%
    2. 5-23-7 English Ivy
      ‎#424f42
      ΔE = 4.834 / LRV ≈ 7.1%
  12. Vallejo

    1. ★ Vallejo 70.890 #90
      ‎#3b453c
      ΔE = 1.980 / LRV ≈ 5.5%
    2. Vallejo 70.920 #85
      ‎#36443d
      ΔE = 2.555 / LRV ≈ 5.3%
  13. Porter Paints

    1. ★ Bewitched / 507-7
      ‎#444842
      ΔE = 2.104 / LRV ≈ 6.3%
    2. Charcoal Smoke / 508-7
      ‎#474e44
      ΔE = 3.843 / LRV ≈ 7.2%
  14. Taubmans

    1. ★ Dark Night / T12 47.H12
      ‎#424946
      ΔE = 2.112 / LRV ≈ 6.4%
    2. Black Fox / T08 171-4
      ‎#434645
      ΔE = 3.396 / LRV ≈ 6.0%
  15. Pantone / PMS

    1. ★ 19-0509 TPG / Rosin
      ‎#444841
      ΔE = 2.217 / LRV ≈ 6.2%
    2. 8522 C
      ‎#3e493e
      ΔE = 2.796 / LRV ≈ 6.1%
  16. Tollens

    1. ★ T2040-6
      ‎#404b42
      ΔE = 2.255 / LRV ≈ 6.5%
    2. T2022-5
      ‎#444e4b
      ΔE = 3.523 / LRV ≈ 7.2%
  17. Sherwin-Williams

    1. ★ Olympic Range - 7750
      ‎#424c44
      ΔE = 2.294 / LRV ≈ 6.7%
    2. Roycroft Bottle Green - 2847
      ‎#324038
      ΔE = 4.138 / LRV ≈ 4.6%
  18. Chrysler

    1. ★ Polo Green
      ‎#39463d
      ΔE = 2.297 / LRV ≈ 5.6%
    2. Dodge Gunmetal
      ‎#4a4a4a
      ΔE = 5.001 / LRV ≈ 6.8%
  19. Pratt & Lambert

    1. Graphite 18-18
      ‎#434641
      ΔE = 2.312 / LRV ≈ 6.0%
    2. African Night 32-18
      ‎#43413c
      ΔE = 4.721 / LRV ≈ 5.3%
  20. Nerolac

    1. Foliage Green - 4557
      ‎#394643
      ΔE = 2.377 / LRV ≈ 5.7%
    2. Black Pitch - 2959
      ‎#4b4b49
      ΔE = 4.726 / LRV ≈ 7.0%
  21. Crown Diamond

    1. 7311-83 Deep Forest Green
      ‎#39473e
      ΔE = 2.413 / LRV ≈ 5.7%
    2. 7399-83 Nelson Terrace
      ‎#474642
      ΔE = 4.062 / LRV ≈ 6.1%
  22. Olympic

    1. Bewitched D64-6
      ‎#454842
      ΔE = 2.509 / LRV ≈ 6.3%
    2. Black Magic D58-6
      ‎#41403f
      ΔE = 4.993 / LRV ≈ 5.1%
  23. Dulux

    1. 44GG 08/039
      ‎#384340
      ΔE = 2.629 / LRV ≈ 5.2%
    2. 29GY 10/029
      ‎#4c4e48
      ΔE = 4.544 / LRV ≈ 7.5%
  24. California Paints

    1. Brattle Spruce
      ‎#434846
      ΔE = 2.717 / LRV ≈ 6.3%
    2. DE 6357 - Black Tie
      ‎#464647
      ΔE = 5.129 / LRV ≈ 6.1%
  25. Benjamin Moore

    1. Topsoil / CC-692
      ‎#43493f
      ΔE = 2.719 / LRV ≈ 6.3%
    2. Notre Dame / CSP-570
      ‎#414444
      ΔE = 3.941 / LRV ≈ 5.7%
  26. Coronado Paint

    1. 8309 - Midnight In The Tropics
      ‎#444744
      ΔE = 2.722 / LRV ≈ 6.2%
    2. 8333 - Moonless Sky
      ‎#404444
      ΔE = 3.817 / LRV ≈ 5.6%
  27. Earthpaint

    1. 5-23-7 English Ivy
      ‎#40493e
      ΔE = 2.785 / LRV ≈ 6.2%
    2. 5-29-7 Phantom
      ‎#3f4341
      ΔE = 2.985 / LRV ≈ 5.5%
  28. Diamond Vogel

    1. Macon Spruce / H098
      ‎#454742
      ΔE = 2.788 / LRV ≈ 6.2%
    2. Black Licorice / 0529
      ‎#464747
      ΔE = 4.340 / LRV ≈ 6.3%
  29. Rodda Paint

    1. Brattle Spruce H98
      ‎#454743
      ΔE = 2.877 / LRV ≈ 6.2%
  30. Colortrend

    1. Brattle Spruce
      ‎#454743
      ΔE = 2.877 / LRV ≈ 6.2%
    2. 0529
      ‎#464747
      ΔE = 4.340 / LRV ≈ 6.3%
  31. Nippon Paint

    1. Flint Black / NP N 2009 A
      ‎#3c4544
      ΔE = 2.967 / LRV ≈ 5.6%
  32. Berger

    1. Midnight in the Tr / 8309
      ‎#3f4341
      ΔE = 2.985 / LRV ≈ 5.5%
    2. Dark Moon / 8325
      ‎#4a4b44
      ΔE = 4.039 / LRV ≈ 6.9%
  33. Scib Paints

    1. Midnight in the Tr / 8309
      ‎#3f4341
      ΔE = 2.985 / LRV ≈ 5.5%
    2. Oper Evening / 8365
      ‎#495146
      ΔE = 5.011 / LRV ≈ 7.7%
  34. Behr

    1. Military Button PPPF-35
      ‎#35433b
      ΔE = 3.050 / LRV ≈ 5.1%
    2. Gallant ECAT-9
      ‎#364439
      ΔE = 3.735 / LRV ≈ 5.2%
  35. Toyo Ink

    1. CF11010
      ‎#3f423f
      ΔE = 3.072 / LRV ≈ 5.3%
    2. CF11011
      ‎#323d35
      ΔE = 4.850 / LRV ≈ 4.3%
  36. Glidden

    1. Deepest Woodland Green / 50GG 05/063
      ‎#374442
      ΔE = 3.144 / LRV ≈ 5.3%
    2. Dark Hunter Green / 30GG 06/113
      ‎#354c46
      ΔE = 4.775 / LRV ≈ 6.4%
  37. Ralph Lauren

    1. Amazon / RLNA235
      ‎#3e413d
      ΔE = 3.161 / LRV ≈ 5.1%
    2. King Henry / RLVM2106
      ‎#434238
      ΔE = 4.950 / LRV ≈ 5.4%
  38. AMC

    1. Raven Green
      ‎#394b45
      ΔE = 3.245 / LRV ≈ 6.3%
    2. Twilight Gray
      ‎#454441
      ΔE = 4.156 / LRV ≈ 5.8%
  39. Alcro

    1. Chicken coop
      ‎#354542
      ΔE = 3.311 / LRV ≈ 5.4%
    2. Anis
      ‎#484848
      ΔE = 4.673 / LRV ≈ 6.5%
  40. Duron

    1. Rock Bottom
      ‎#444847
      ΔE = 3.374 / LRV ≈ 6.3%
    2. Rock Garden
      ‎#35493d
      ΔE = 4.929 / LRV ≈ 5.9%
  41. Brillux

    1. 78.01.30
      ‎#434645
      ΔE = 3.396 / LRV ≈ 6.0%
    2. 81.03.30
      ‎#383f3d
      ΔE = 3.959 / LRV ≈ 4.7%
  42. ICI Paints

    1. Black Swan 50GY 06/077
      ‎#394037
      ΔE = 3.561 / LRV ≈ 4.8%
    2. Light's Out 50BG 08/021
      ‎#424647
      ΔE = 4.358 / LRV ≈ 6.0%
  43. Beckers

    1. Mocka 539 / S 7502-Y
      ‎#44443f
      ΔE = 3.585 / LRV ≈ 5.7%
    2. Skorsten 519 / S 7500-N
      ‎#404040
      ΔE = 4.926 / LRV ≈ 5.1%
  44. Kelly-Moore

    1. Contessa's Cape / KM3816-5
      ‎#454746
      ΔE = 3.678 / LRV ≈ 6.2%
    2. Carbon Copy / KM3824-5
      ‎#494642
      ΔE = 4.959 / LRV ≈ 6.2%
  45. Jaguar

    1. Coachline Light Green / JSC155
      ‎#444b3f
      ΔE = 3.759 / LRV ≈ 6.6%
  46. KILZ

    1. Burnt Olive / F912
      ‎#44504a
      ΔE = 3.781 / LRV ≈ 7.5%
    2. Toasted Poppyseed / G891
      ‎#4a4c4b
      ΔE = 4.641 / LRV ≈ 7.1%
  47. PPG Pittsburgh Paints

    1. Joggling Board Chs-50
      ‎#33423f
      ΔE = 3.790 / LRV ≈ 5.0%
    2. Onyx / PPG1011-7
      ‎#464544
      ΔE = 4.561 / LRV ≈ 6.0%
  48. Borgward

    1. Silbergrau / 76
      ‎#484b49
      ΔE = 3.814 / LRV ≈ 6.9%
  49. Peintures MF

    1. Tornade
      ‎#404444
      ΔE = 3.817 / LRV ≈ 5.6%
    2. Tortue noire
      ‎#314745
      ΔE = 4.968 / LRV ≈ 5.6%
  50. Caparol

    1. 25/20
      ‎#404444
      ΔE = 3.817 / LRV ≈ 5.6%
    2. H 518 / Umbra H 518
      ‎#48483c
      ΔE = 5.100 / LRV ≈ 6.3%
  51. Vista Paint

    1. Opening Night
      ‎#42423e
      ΔE = 3.841 / LRV ≈ 5.4%
    2. Dark Moon
      ‎#4a4b44
      ΔE = 4.039 / LRV ≈ 6.9%
  52. Dulux Australia

    1. Aged Cypress / O26
      ‎#3e4038
      ΔE = 3.975 / LRV ≈ 5.0%
    2. Green Planter / O14
      ‎#424739
      ΔE = 4.666 / LRV ≈ 6.0%
  53. New Look

    1. Noble Prince / A06-03
      ‎#3d4f49
      ΔE = 4.104 / LRV ≈ 7.1%
    2. Siberian Nights / A04-10
      ‎#40403f
      ΔE = 4.672 / LRV ≈ 5.1%
  54. Wattyl

    1. Deep Brunswick Green / F51W
      ‎#3d4f49
      ΔE = 4.104 / LRV ≈ 7.1%
    2. Colorbond Night Sky ® / A29W
      ‎#40403f
      ΔE = 4.672 / LRV ≈ 5.1%
  55. Colorhouse

    1. Metal .06
      ‎#3f4647
      ΔE = 4.119 / LRV ≈ 5.9%
  56. Asian Paints

    1. Mineshaft / 8285
      ‎#484a49
      ΔE = 4.150 / LRV ≈ 6.8%
    2. Raven Song / 8253
      ‎#404040
      ΔE = 4.926 / LRV ≈ 5.1%
  57. Evonik-Degussa

    1. 161A Flint Black
      ‎#353e3b
      ΔE = 4.218 / LRV ≈ 4.5%
  58. Mylands of London

    1. Shepherds Bush Green
      ‎#4a4d44
      ΔE = 4.220 / LRV ≈ 7.2%
    2. Laurel
      ‎#404b4d
      ΔE = 5.095 / LRV ≈ 6.7%
  59. Valspar Paint

    1. Forest Canopy
      ‎#4a4e4b
      ΔE = 4.274 / LRV ≈ 7.4%
    2. Dark Kettle Black
      ‎#474747
      ΔE = 4.562 / LRV ≈ 6.3%
  60. Dutch Boy

    1. Pine
      ‎#42514a
      ΔE = 4.327 / LRV ≈ 7.5%
    2. Pumpkin Stem
      ‎#444439
      ΔE = 4.726 / LRV ≈ 5.7%
  61. General Paint

    1. Boundary / CL 3177N
      ‎#444341
      ΔE = 4.382 / LRV ≈ 5.6%
    2. Blade / CLV 1159N
      ‎#4a524f
      ΔE = 5.211 / LRV ≈ 8.1%
  62. Sto

    1. 36342
      ‎#495149
      ΔE = 4.479 / LRV ≈ 7.8%
  63. Cloverdale Paint

    1. Kitty Kitty / 8253
      ‎#434343
      ΔE = 4.524 / LRV ≈ 5.6%
    2. Moonless Sky / 8333
      ‎#4a4f4e
      ΔE = 5.011 / LRV ≈ 7.6%
  64. Bristol

    1. Castanet / P201-N7
      ‎#494742
      ΔE = 4.533 / LRV ≈ 6.3%
    2. Jackal / P199-N7
      ‎#4b4945
      ΔE = 4.850 / LRV ≈ 6.7%
  65. Jotun

    1. 9938 / Dempet Sort
      ‎#494948
      ΔE = 4.540 / LRV ≈ 6.6%
    2. 0734 / Brunsvart
      ‎#444241
      ΔE = 5.108 / LRV ≈ 5.5%
  66. Levis

    1. Shady Grey B80
      ‎#4c4e48
      ΔE = 4.544 / LRV ≈ 7.5%
    2. Clear Grey B80
      ‎#3c3e3e
      ΔE = 5.146 / LRV ≈ 4.8%
  67. Sico

    1. 6207-83 Black Ice
      ‎#494741
      ΔE = 4.544 / LRV ≈ 6.3%
    2. 6203-83 Black Cat
      ‎#383c37
      ΔE = 4.780 / LRV ≈ 4.3%
  68. Volkswagen

    1. Toffee Gray
      ‎#474747
      ΔE = 4.562 / LRV ≈ 6.3%
    2. Zambesi Green
      ‎#32463a
      ΔE = 5.195 / LRV ≈ 5.4%
  69. Flügger

    1. Vogn (U-599)
      ‎#38493c
      ΔE = 4.615 / LRV ≈ 5.9%
  70. British Standard

    1. BS381 227 - Deep Brunswick green
      ‎#374b40
      ΔE = 4.620 / LRV ≈ 6.2%
    2. BS381 642 - Night
      ‎#3f3f3f
      ΔE = 5.130 / LRV ≈ 5.0%
  71. McCormick Paints

    1. 227 Williamsburg
      ‎#364848
      ΔE = 4.637 / LRV ≈ 5.9%
  72. Albany Paint

    1. Fiddlers Green
      ‎#2f433c
      ΔE = 4.651 / LRV ≈ 4.9%
  73. Little Greene

    1. Shift
      ‎#4b4b49
      ΔE = 4.726 / LRV ≈ 7.0%
  74. Lascaux

    1. Oxide olive brown / 164
      ‎#4b4a42
      ΔE = 4.732 / LRV ≈ 6.8%
  75. Tamiya

    1. Tamiya 80363,XF63
      ‎#3e484a
      ΔE = 4.765 / LRV ≈ 6.2%
  76. Clark+Kensington

    1. Dramatic Fairways / 32A-5
      ‎#3e484a
      ΔE = 4.765 / LRV ≈ 6.2%
    2. Midnight Stroll / N-C16
      ‎#41403f
      ΔE = 4.993 / LRV ≈ 5.1%
  77. Federal Standard

    1. Federal Standard 14052
      ‎#434438
      ΔE = 4.789 / LRV ≈ 5.6%
    2. Federal Standard 37038
      ‎#424243
      ΔE = 5.239 / LRV ≈ 5.5%
  78. Marston & Langinger

    1. Mullet
      ‎#4b4f45
      ΔE = 4.801 / LRV ≈ 7.5%
  79. Reaper Master

    1. Jungle Moss (9082)
      ‎#384e49
      ΔE = 4.826 / LRV ≈ 6.8%
  80. Old Citadel

    1. Orkhide Shade
      ‎#384e49
      ΔE = 4.826 / LRV ≈ 6.8%
  81. Vallejo Model Color

    1. Black Green (980)
      ‎#384e49
      ΔE = 4.826 / LRV ≈ 6.8%
  82. Vallejo Game Color

    1. Heavy Blackgreen (147)
      ‎#384e49
      ΔE = 4.826 / LRV ≈ 6.8%
  83. Humbrol

    1. 241 Rlm 70 Schwartzgrun
      ‎#424437
      ΔE = 4.943 / LRV ≈ 5.6%
  84. Dunn-Edwards

    1. Iron River / 165
      ‎#4d504b
      ΔE = 5.004 / LRV ≈ 7.8%
    2. Black Lead / 145
      ‎#474c4d
      ΔE = 5.041 / LRV ≈ 7.0%
  85. Craig & Rose

    1. Caviar
      ‎#3f3f3f
      ΔE = 5.130 / LRV ≈ 5.0%
  86. Australian Standard AS2700

    1. G66 Environment Green
      ‎#494c3f
      ΔE = 5.158 / LRV ≈ 6.9%
    2. G67 Zucchini
      ‎#2e433a
      ΔE = 5.237 / LRV ≈ 4.9%
  87. Games Workshop - Citadel

    1. Mechanicus Standard Grey
      ‎#3d4b4d
      ΔE = 5.240 / LRV ≈ 6.6%

‎#3e4741 HTML / CSS أمثلة على الرمز

‎#3e4741 الصدارة

ذلك الغصن من تلك الشجرة

<p style="color: #3e4741">…</p>

‎#3e4741 الخلفية

من لا تقاضى حي يقمح ليا مات.

<p style="background-color: #3e4741">…</p>

‎#3e4741 ظل النص

الأيام دول يوم لك ويوم عليك.

<p style="text-shadow: 0.1em 0.1em 0.15em #3e4741">…</p>

الرسوم البيانية للون

تحويلات مساحة اللون

عشري
4081473
الثنائية
00111110, 01000111, 01000001
عشري
#3e4741
LRV
≈ 5.9%
أقرب لون ست عشري قصير
#344 ΔE = 4.692
RGB
rgb(62, 71, 65)
RGBA
rgba(62, 71, 65, 1.0)
rg اللونية
r: 0.313, g: 0.359, b: 0.328
RYB
أحمر: 24.314%, أصفر: 26.961%, أزرق: 27.843%
Android / android.graphics.Color
-12695743 / 0xff3e4741
HSL
hsl(140, 7%, 26%)
HSLA
hsla(140, 7%, 26%, 1.0)
HSV / HSB
صبغة: 140° (140.000), تشبع: 13% (0.127), قيمة: 28% (0.278)
HSP
صبغة: 140.000, تشبع: 12.676%, السطوع المدركة: 26.569%
HSLuv (HUSL)
H: 142.002, S: 16.964, L: 29.190
Cubehelix
H: -232.223, S: 0.071, L: 0.265
TSL
T: -0.810, S: 0.043, L: 0.265
CMYK
سيان: 13% (0.127), ماجنتي: 0% (0.000), أصفر: 8% (0.085), أسود: 72% (0.722)
CMY
سيان: 76% (0.757), ماجنتي: 72% (0.722), أصفر: 75% (0.745)
XYZ
X: 5.194, Y: 5.912, Z: 5.868
xyY
x: 0.306, y: 0.348, Y: 5.912
CIELab
L: 29.190, a: -5.047, b: 2.370
CIELuv
L: 29.190, u: -4.357, v: 3.404
CIELCH / LCHab
L: 29.190, C: 5.576, H: 154.843
CIELUV / LCHuv
L: 29.190, C: 5.529, H: 142.002
Hunter-Lab
L: 24.315, a: -4.423, b: 2.713
CIECAM02
J: 21.020, C: 7.389, h: 160.210, Q: 90.330, M: 6.462, s: 26.746, H: 196.128
OSA-UCS
خفة: -10.044, أصفر: 0.348, أخضر: 0.878
LMS
L: 5.393, M: 6.417, S: 5.866
YCbCr
Y: 74.088, Cb: 126.698, Cr: 124.475
YCoCg
Y: 67.250, Cg: 3.750, Co: 14.750
YDbDr
Y: 67.625, Db: -3.948, Dr: 10.695
YPbPr
Y: 68.651, Pb: -1.965, Pr: -4.224
xvYCC
Y: 74.959, Cb: 126.274, Cr: 124.290
YIQ
Y: 67.625, I: -3.434, Q: -3.770
YUV
Y: 67.625, U: -1.291, V: -4.935
نظام الألوان مونسل
10GY 3/1 ΔE = 2.220
لون العلامة التجارية
Code School ΔE = 1.395

ألوان عشوائية

أحمر

أخضر

أزرق