Encycolorpedia

‎#e57874 أكواد الألوان الست عشرية

#e57874 Paint Chipالكود اللوني الست عشري‎#e57874 هو ظل متوسط الإضاءة للأحمر.‏ في نموذج RGB للألوان يتكون ‎#e57874 من‎89.8% أحمر، و‎47.06% أخضر، و‎45.49% أزرق. وفي الفضاء اللوني HSL يتكون ‎#e57874 من صبغة لون2 درجة، و ‎68% تشبع، و ‎68% إضاءة. وهذا اللون له طول موجي يبلغ تقريباً 607.84 نانومتر.

الاختلافات اللون

ألوان مسماة

الألوان

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

‎#e57874 انحدار خطي إلى التكميلي ‎#5af1ff

  1. ‎#e57874
  2. ‎#dc8f8a
  3. ‎#d1a4a0
  4. ‎#c1b8b7
  5. ‎#accbcf
  6. ‎#8edee7
  7. ‎#5af1ff

ألوان أحادية

  1. ‎#c45b59
  2. ‎#cf6562
  3. ‎#da6e6b
  4. ‎#e57874
  5. ‎#f0827d
  6. ‎#fb8c87
  7. ‎#ff9690

نغمات

  1. ‎#e57874
  2. ‎#de827d
  3. ‎#d68b87
  4. ‎#cd9490
  5. ‎#c49d9a
  6. ‎#b9a5a3
  7. ‎#adadad

الصبغات والظلال

‎#e57874 إلى الأبيض

  1. ‎#e57874
  2. ‎#ec8f8a
  3. ‎#f3a5a0
  4. ‎#f8bcb7
  5. ‎#fbd2cf
  6. ‎#fee9e7
  7. ‎#ffffff / #fff

‎#e57874 إلى الأسو

  1. ‎#e57874
  2. ‎#bb6360
  3. ‎#93504d
  4. ‎#6d3c3a
  5. ‎#492a28
  6. ‎#271918
  7. ‎#000000 / #000

الدهانات

دهانات مماثلة

  1. Dutch Boy

    1. ★ Campfire
      ‎#e67672
      ΔE = 0.547 / LRV ≈ 31.0%
    2. Coral Clay
      ‎#d9766d
      ΔE = 2.869 / LRV ≈ 28.8%
  2. Resene

    1. ★ Geraldine R72-093-027
      ‎#e77b75
      ΔE = 1.060 / LRV ≈ 32.4%
    2. New York Pink R71-075-036
      ‎#dd8374
      ΔE = 4.199 / LRV ≈ 32.9%
  3. Plascon

    1. ★ Miami Pink R5-B1-3
      ‎#ec7874
      ΔE = 1.360 / LRV ≈ 32.5%
    2. Adobe Desert R6-B1-3
      ‎#f48070
      ΔE = 5.169 / LRV ≈ 35.8%
  4. Glidden

    1. ★ Temptation Rose / 10YR 30/400
      ‎#de7a76
      ΔE = 1.370 / LRV ≈ 30.8%
    2. Roseland / 30YR 33/379
      ‎#e08576
      ΔE = 4.451 / LRV ≈ 33.9%
  5. Coronado Paint

    1. ★ 8054 - Fancy Nancy
      ‎#df7b74
      ΔE = 1.416 / LRV ≈ 31.1%
    2. 8046 - Australian Coral
      ‎#ed7769
      ΔE = 3.600 / LRV ≈ 32.2%
  6. Waverly

    1. ★ Rhubarb / 60702E / 60741E
      ‎#e07877
      ΔE = 1.440 / LRV ≈ 30.6%
  7. Natural Color System / NCS

    1. ★ S 2030-R
      ‎#e27c7a
      ΔE = 1.469 / LRV ≈ 32.0%
    2. S 2040-Y90R
      ‎#e46a60
      ΔE = 4.623 / LRV ≈ 27.7%
  8. Matthews Paint

    1. ★ Coral Necklace / 859
      ‎#e27676
      ΔE = 1.473 / LRV ≈ 30.4%
    2. Pinkish / 244
      ‎#e17277
      ΔE = 3.139 / LRV ≈ 29.4%
  9. Tollens

    1. ★ Confetti | EE163
      ‎#e87c75
      ΔE = 1.499 / LRV ≈ 32.9%
    2. ★ TF212-3
      ‎#e5716b
      ΔE = 2.142 / LRV ≈ 29.5%
  10. Taubmans

    1. ★ Charlotte / T12 26.E1
      ‎#eb7a74
      ΔE = 1.499 / LRV ≈ 32.8%
    2. Turkish Delight / T12 26.E3
      ‎#ee7d7d
      ΔE = 2.733 / LRV ≈ 34.3%
  11. Wattyl

    1. ★ Australian Coral / C55W
      ‎#e4797a
      ΔE = 1.697 / LRV ≈ 31.6%
    2. Big Parade / C44W
      ‎#e87866
      ΔE = 4.328 / LRV ≈ 31.6%
  12. New Look

    1. ★ Pink Fever / G33-03
      ‎#e4797a
      ΔE = 1.697 / LRV ≈ 31.6%
    2. Beyond Blushing / G33-10
      ‎#d27779
      ΔE = 4.380 / LRV ≈ 28.3%
  13. PPG Pittsburgh Paints

    1. ★ Siesta Rose / PPG1188-5
      ‎#ec7878
      ΔE = 1.700 / LRV ≈ 32.6%
    2. Cranapple / PPG1190-5
      ‎#db8079
      ΔE = 2.622 / LRV ≈ 31.9%
  14. Valspar Paint

    1. ★ Peach Posey R59D
      ‎#de7870
      ΔE = 1.741 / LRV ≈ 30.1%
    2. Marmalade Magic X35R60D
      ‎#df7c6f
      ΔE = 2.851 / LRV ≈ 31.3%
  15. Sto

    1. ★ 33203
      ‎#e57b7c
      ΔE = 1.954 / LRV ≈ 32.3%
    2. 33103
      ‎#f17b77
      ΔE = 2.586 / LRV ≈ 34.2%
  16. Earthpaint

    1. ★ 2-2-5 Mango
      ‎#df7f79
      ΔE = 2.012 / LRV ≈ 32.3%
    2. 1-2-5 Sweet Lady
      ‎#ea7d6e
      ΔE = 3.617 / LRV ≈ 33.3%
  17. Scib Paints

    1. ★ Fancy Nacy / 8054
      ‎#e87f79
      ΔE = 2.074 / LRV ≈ 33.7%
    2. Cinnamon Rose / 8672
      ‎#cf857b
      ΔE = 5.127 / LRV ≈ 31.5%
  18. Vista Paint

    1. ★ Fancy Nancy
      ‎#e87f79
      ΔE = 2.074 / LRV ≈ 33.7%
    2. Sweet Amelia
      ‎#dd8489
      ΔE = 5.113 / LRV ≈ 33.7%
  19. Asian Paints

    1. ★ Raspberry Souffle's / 8054
      ‎#e87f79
      ΔE = 2.074 / LRV ≈ 33.7%
    2. ★ Satin Pink / 8062
      ‎#f07977
      ΔE = 2.218 / LRV ≈ 33.5%
  20. Cloverdale Paint

    1. ★ Gabriels Gift / 8062
      ‎#eb7e78
      ΔE = 2.172 / LRV ≈ 33.9%
    2. Fancy Nancy / 8054
      ‎#df837d
      ΔE = 2.990 / LRV ≈ 33.4%
  21. ECOS Paints

    1. ★ Childhood Crush (1088)
      ‎#df726d
      ΔE = 2.223 / LRV ≈ 28.8%
    2. Bay Coral (1087)
      ‎#e98380
      ΔE = 3.318 / LRV ≈ 35.1%
  22. Colortrend

    1. ★ 1088
      ‎#df726d
      ΔE = 2.223 / LRV ≈ 28.8%
    2. 1087
      ‎#e98380
      ΔE = 3.318 / LRV ≈ 35.1%
  23. Diamond Vogel

    1. ★ Childhood Crush / 1088
      ‎#df726d
      ΔE = 2.223 / LRV ≈ 28.8%
    2. Bay Coral / 1087
      ‎#e98380
      ΔE = 3.318 / LRV ≈ 35.1%
  24. Porter Paints

    1. ★ Cranapple / 231-5
      ‎#df8079
      ΔE = 2.274 / LRV ≈ 32.5%
    2. Siesta Rose / 133-5
      ‎#f27777
      ΔE = 2.577 / LRV ≈ 33.4%
  25. Para

    1. Passion Fruit Flambe / P5079-52D
      ‎#eb6f6e
      ΔE = 2.351 / LRV ≈ 30.2%
  26. General Paint

    1. Sherbet / CL 1445A
      ‎#dc7474
      ΔE = 2.529 / LRV ≈ 29.0%
    2. Tempest / CL 1475D
      ‎#dc8676
      ΔE = 4.975 / LRV ≈ 33.6%
  27. Benjamin Moore

    1. Bird Of Paradise / 1305
      ‎#e77069
      ΔE = 2.558 / LRV ≈ 29.6%
    2. Pink Flamingo / CSP-1175
      ‎#df8581
      ΔE = 3.609 / LRV ≈ 34.1%
  28. GM / General Motors

    1. Tahiti Coral
      ‎#db746d
      ΔE = 2.577 / LRV ≈ 28.7%
  29. ICI Paints

    1. Rouge Red 10YR 34/359
      ‎#d87d77
      ΔE = 2.586 / LRV ≈ 30.6%
    2. 3180 Temptation 10YR 30/400
      ‎#d4726d
      ΔE = 3.946 / LRV ≈ 27.1%
  30. Clark+Kensington

    1. Poppy Pods / 08C-6
      ‎#ea7d72
      ΔE = 2.636 / LRV ≈ 33.4%
    2. Tres Français / 09B-5
      ‎#dd8273
      ΔE = 4.047 / LRV ≈ 32.6%
  31. Olympic

    1. Coral Coast A31-5
      ‎#de706c
      ΔE = 2.757 / LRV ≈ 28.2%
    2. Safflower A32-5
      ‎#e06b6d
      ΔE = 3.833 / LRV ≈ 27.5%
  32. Brighto Paints

    1. 2-2-6 Garden Fragrance
      ‎#dc716d
      ΔE = 2.802 / LRV ≈ 28.1%
    2. 9007 Brighto Red
      ‎#e16d74
      ΔE = 4.121 / LRV ≈ 28.2%
  33. Crown Paint

    1. Coral
      ‎#e26e6e
      ΔE = 2.840 / LRV ≈ 28.5%
  34. FolkArt

    1. Crushed Coral / 2565
      ‎#eb7c7f
      ΔE = 2.876 / LRV ≈ 33.6%
  35. 1Shot / One Shot

    1. 168L Salmon Pink
      ‎#ea7177
      ΔE = 3.008 / LRV ≈ 30.6%
  36. Dupont

    1. CAS60
      ‎#da7271
      ΔE = 3.018 / LRV ≈ 28.1%
    2. CAS76
      ‎#dd7168
      ΔE = 3.218 / LRV ≈ 28.2%
  37. Sherwin-Williams

    1. Coral Reef - 6606
      ‎#d9766c
      ΔE = 3.043 / LRV ≈ 28.8%
    2. Begonia - 6599
      ‎#d76c6e
      ΔE = 4.797 / LRV ≈ 26.3%
  38. Loop

    1. Nottingham / LP-148
      ‎#ef7c71
      ΔE = 3.160 / LRV ≈ 34.0%
    2. Dundalk / Maxi Dundalk / LP-152 / LP-420
      ‎#ee847f
      ΔE = 3.927 / LRV ≈ 36.2%
  39. Behr

    1. Sugar Poppy P170-4
      ‎#e58182
      ΔE = 3.254 / LRV ≈ 34.0%
    2. Cosmic Coral HDC-SM14-12
      ‎#e67d6e
      ΔE = 3.397 / LRV ≈ 32.6%
  40. Fabric Creations

    1. Coral / 27031
      ‎#f1756b
      ΔE = 3.272 / LRV ≈ 32.5%
  41. TRUMATCH

    1. 2-d2
      ‎#db7f80
      ΔE = 3.315 / LRV ≈ 31.8%
    2. 2-d3
      ‎#d0797a
      ΔE = 4.513 / LRV ≈ 28.5%
  42. Flügger

    1. My Diary (IN-756)
      ‎#d97170
      ΔE = 3.348 / LRV ≈ 27.7%
  43. Alcro

    1. Rabarber
      ‎#ee827c
      ΔE = 3.445 / LRV ≈ 35.6%
  44. Laura Ashley

    1. 44-1 New Blossom
      ‎#de6d69
      ΔE = 3.484 / LRV ≈ 27.5%
  45. Crown Diamond

    1. 7218-52 Bird of Paradise
      ‎#db8081
      ΔE = 3.488 / LRV ≈ 32.1%
    2. 7217-52 Love Potion
      ‎#d17a79
      ΔE = 4.037 / LRV ≈ 28.9%
  46. Sigma

    1. Warm Red / S 0560-Y90R
      ‎#ee8177
      ΔE = 3.529 / LRV ≈ 35.2%
    2. Warm Red / S 0570-Y90R
      ‎#e56c61
      ΔE = 4.312 / LRV ≈ 28.3%
  47. Nippon Paint

    1. Fire Princess / NP R 1268 D
      ‎#e76a68
      ΔE = 3.559 / LRV ≈ 28.3%
    2. Vintage Rose / NP R 1350 T
      ‎#cd827d
      ΔE = 4.871 / LRV ≈ 30.4%
  48. Levis

    1. Kleur Van Het Jaar Roze Rood
      ‎#e47969
      ΔE = 3.604 / LRV ≈ 31.2%
    2. Clear Red C50
      ‎#e88683
      ΔE = 4.080 / LRV ≈ 35.8%
  49. Brillux

    1. 27.18.18
      ‎#de7366
      ΔE = 3.606 / LRV ≈ 28.8%
    2. 27.15.18
      ‎#cf786d
      ΔE = 4.631 / LRV ≈ 27.8%
  50. Focoltone

    1. 3403
      ‎#ed7f82
      ΔE = 3.608 / LRV ≈ 34.8%
    2. 2222
      ‎#eb686b
      ΔE = 3.978 / LRV ≈ 28.6%
  51. Duron

    1. Lei Flower
      ‎#f37d73
      ΔE = 3.696 / LRV ≈ 35.0%
    2. Begonia
      ‎#fa6e79
      ΔE = 5.113 / LRV ≈ 32.9%
  52. Chrysler

    1. Tahitian Coral
      ‎#f97372
      ΔE = 3.806 / LRV ≈ 33.6%
  53. Devoe Paint

    1. Funny Valentine / 99RR 27/498
      ‎#df6b6b
      ΔE = 3.823 / LRV ≈ 27.3%
    2. Celebration / 25YR 34/473
      ‎#e77d68
      ΔE = 5.113 / LRV ≈ 32.7%
  54. Pratt & Lambert

    1. Mid Rose 2-9
      ‎#d27b7a
      ΔE = 3.873 / LRV ≈ 29.3%
    2. Azalea 5-12
      ‎#eb7663
      ΔE = 4.886 / LRV ≈ 31.5%
  55. Pantone / PMS

    1. 2445 CP
      ‎#dd867e
      ΔE = 3.874 / LRV ≈ 33.9%
    2. 17-1341 TCX
      ‎#d37f6f
      ΔE = 4.910 / LRV ≈ 30.2%
  56. Sikkens

    1. B2.30.60
      ‎#e37f84
      ΔE = 3.877 / LRV ≈ 33.2%
    2. B1.29.54
      ‎#dc7982
      ΔE = 4.843 / LRV ≈ 30.5%
  57. Crayola

    1. Coral Red
      ‎#e68070
      ΔE = 3.931 / LRV ≈ 33.4%
  58. Dulux Australia

    1. Rose Shower / D16
      ‎#dd8384
      ΔE = 3.944 / LRV ≈ 33.3%
    2. Annular / A86
      ‎#e17461
      ΔE = 4.934 / LRV ≈ 29.4%
  59. Dunn-Edwards

    1. Redstone / 2000
      ‎#e46b71
      ΔE = 3.970 / LRV ≈ 28.2%
    2. Apple Valley / 2156
      ‎#ea8386
      ΔE = 4.323 / LRV ≈ 35.5%
  60. California Paints

    1. DE 5082 - Spiked Punch
      ‎#e46b71
      ΔE = 3.970 / LRV ≈ 28.2%
    2. DE 5103 - Pink Glamour
      ‎#ff787b
      ΔE = 5.165 / LRV ≈ 36.1%
  61. Sico

    1. 6054-53 Bolero Pink
      ‎#e07f84
      ΔE = 3.998 / LRV ≈ 32.7%
    2. 6056-52 Love Potion
      ‎#d17a79
      ΔE = 4.037 / LRV ≈ 28.9%
  62. RAL

    1. RAL 030 60 50
      ‎#de6b66
      ΔE = 4.053 / LRV ≈ 27.0%
    2. RAL 030 60 40
      ‎#d0756f
      ΔE = 4.287 / LRV ≈ 27.3%
  63. Peintures MF

    1. Sucette
      ‎#e17981
      ΔE = 4.099 / LRV ≈ 31.3%
    2. Trientale
      ‎#eb8388
      ΔE = 4.815 / LRV ≈ 35.7%
  64. Kelly-Moore

    1. Fancy Nancy / KM3655-3
      ‎#ed8581
      ΔE = 4.112 / LRV ≈ 36.4%
    2. Gabriel's Gift / KM3663-3
      ‎#fa7e7a
      ΔE = 4.614 / LRV ≈ 36.7%
  65. CIL

    1. Celebration
      ‎#e47d6b
      ΔE = 4.205 / LRV ≈ 32.2%
    2. Cabana Coral
      ‎#e48288
      ΔE = 4.733 / LRV ≈ 34.2%
  66. Ressource Peintures

    1. Rose Pompadour / HC113
      ‎#e5747e
      ΔE = 4.233 / LRV ≈ 30.7%
    2. Jaïpur / OROC19
      ‎#dd6f60
      ΔE = 4.881 / LRV ≈ 27.6%
  67. Evonik-Degussa

    1. 7103D Fire Princess
      ‎#e56a62
      ΔE = 4.258 / LRV ≈ 27.9%
    2. 5114T Vintage Rose
      ‎#cc7f7b
      ΔE = 4.816 / LRV ≈ 29.4%
  68. British Standard

    1. BS 4800 04 E 51 - Salmon red / Lobster / Azalea
      ‎#e37463
      ΔE = 4.329 / LRV ≈ 29.7%
    2. BS 2660 BS 1-022 - Reef red
      ‎#dc7d6b
      ΔE = 4.443 / LRV ≈ 30.9%
  69. Model Master

    1. Model Master 2770
      ‎#df6c62
      ΔE = 4.374 / LRV ≈ 27.3%
  70. Caparol

    1. 04/14
      ‎#d86c68
      ΔE = 4.468 / LRV ≈ 26.3%
    2. Rubin 4
      ‎#fc7c80
      ΔE = 5.155 / LRV ≈ 36.7%
  71. Disney

    1. 2C-80-3 Rabbits Garden
      ‎#ec7967
      ΔE = 4.517 / LRV ≈ 32.5%
  72. Dulux

    1. 90RR 31/403
      ‎#d97980
      ΔE = 4.567 / LRV ≈ 30.0%
    2. 89RR 36/416
      ‎#e48188
      ΔE = 4.814 / LRV ≈ 34.0%
  73. Nerolac

    1. Coral Candy - 4100
      ‎#e56f60
      ΔE = 4.583 / LRV ≈ 28.9%
    2. Sunset Boulevard - 4115
      ‎#e48088
      ΔE = 4.920 / LRV ≈ 33.7%
  74. KILZ

    1. Cool Watermelon / B561
      ‎#d98686
      ΔE = 4.691 / LRV ≈ 33.5%
  75. AMC

    1. Coral Red
      ‎#d96d62
      ΔE = 4.853 / LRV ≈ 26.6%
  76. Albany Paint

    1. Flamingo
      ‎#f46764
      ΔE = 4.863 / LRV ≈ 29.9%
  77. Opaltone / OMS

    1. 4036
      ‎#e26a5f
      ΔE = 4.874 / LRV ≈ 27.3%
    2. 4076
      ‎#d08182
      ΔE = 4.971 / LRV ≈ 30.7%
  78. Federal Standard

    1. Federal Standard 12300
      ‎#df8a7f
      ΔE = 5.044 / LRV ≈ 35.4%
  79. Bristol

    1. Island Coral / P063-W5
      ‎#fa817d
      ΔE = 5.054 / LRV ≈ 37.5%
    2. Flirtation / P058-W5
      ‎#da826f
      ΔE = 5.196 / LRV ≈ 32.0%
  80. Caran d'Ache

    1. 571 Anthraquinoid Pink
      ‎#ef887f
      ΔE = 5.082 / LRV ≈ 37.5%
  81. Berger

    1. Sweet Amelia / 8079
      ‎#dd8489
      ΔE = 5.113 / LRV ≈ 33.7%
    2. Australian Coral / 8046
      ‎#f67c6c
      ΔE = 5.178 / LRV ≈ 35.1%
  82. Toyo Ink

    1. CF10530
      ‎#d68779
      ΔE = 5.207 / LRV ≈ 33.0%
  83. Krylon

    1. Coral Isle
      ‎#d86a62
      ΔE = 5.236 / LRV ≈ 25.8%

محاكاة عمى اللون

Monochromacy

Dichromacy

رؤية ثلاثية الألوان

‎#e57874 HTML / CSS أمثلة على الرمز

‎#e57874 الصدارة

عاشر يابن آدم مهما تعاشر ، مسيرك تفارق.

<p style="color: #e57874">…</p>

‎#e57874 الخلفية

الصديق الصافي في وده لا تزعله ولا ترده.

<p style="background-color: #e57874">…</p>

‎#e57874 ظل النص

أقبح من خنزير.

<p style="text-shadow: 0.1em 0.1em 0.15em #e57874">…</p>

الرسوم البيانية للون

تحويلات مساحة اللون

عشري
15038580
الثنائية
11100101, 01111000, 01110100
عشري
#e57874
LRV
≈ 31.4%
أقرب لون ست عشري قصير
#e77 ΔE = 1.866
RGB
rgb(229, 120, 116)
RGBA
rgba(229, 120, 116, 1.0)
rg اللونية
r: 0.492, g: 0.258, b: 0.249
RYB
أحمر: 89.804%, أصفر: 47.116%, أزرق: 45.490%
Android / android.graphics.Color
-1738636 / 0xffe57874
HSL
hsl(2, 68%, 68%)
HSLA
hsla(2, 68%, 68%, 1.0)
HSV / HSB
صبغة: 2° (2.124), تشبع: 49% (0.493), قيمة: 90% (0.898)
HSP
صبغة: 2.124, تشبع: 49.345%, السطوع المدركة: 62.827%
HSLuv (HUSL)
H: 13.804, S: 66.886, L: 62.807
Cubehelix
H: -6.120, S: 0.740, L: 0.597
TSL
T: 3.911, S: 0.236, L: 0.597
CMYK
سيان: 0% (0.000), ماجنتي: 48% (0.476), أصفر: 49% (0.493), أسود: 10% (0.102)
CMY
سيان: 10% (0.102), ماجنتي: 53% (0.529), أصفر: 55% (0.545)
XYZ
X: 42.185, Y: 31.356, Z: 20.350
xyY
x: 0.449, y: 0.334, Y: 31.356
CIELab
L: 62.807, a: 41.709, b: 21.525
CIELuv
L: 62.807, u: 78.666, v: 19.329
CIELCH / LCHab
L: 62.807, C: 46.936, H: 27.297
CIELUV / LCHuv
L: 62.807, C: 81.006, H: 13.804
Hunter-Lab
L: 55.997, a: 36.478, b: 17.650
CIECAM02
J: 55.619, C: 48.127, h: 23.599, Q: 146.934, M: 42.086, s: 53.519, H: 4.359
OSA-UCS
خفة: -9.992, أصفر: 2.685, أخضر: -7.370
LMS
L: 41.079, M: 23.670, S: 20.566
YCbCr
Y: 146.701, Cb: 110.112, Cr: 176.135
YCoCg
Y: 146.250, Cg: -26.250, Co: 85.500
YDbDr
Y: 152.135, Db: -54.382, Dr: -146.165
YPbPr
Y: 142.929, Pb: -14.535, Pr: 54.684
xvYCC
Y: 138.751, Cb: 115.232, Cr: 176.036
YIQ
Y: 152.135, I: 66.218, Q: 21.804
YUV
Y: 152.135, U: -17.780, V: 67.435
نظام الألوان مونسل
5R 6/10 ΔE = 2.509
لون العلامة التجارية
Status Chart ΔE = 9.588

ألوان عشوائية

أحمر

أخضر

أزرق