Encycolorpedia

#777e79 Hex Code Couleur

#777e79 Paint ChipLe code hexadécimal de la couleur #777e79 est une teinte de couleur vert. Dans le modèle de couleur RVB #777e79 est constitué de 46.67 % de rouge, 49.41 % de vert et le bleu à 47.45 %. En l'espace colorimétrique HSL #777e79 a une teinte de 137° (degrés), la saturation 3 % saturation et la légèreté 48 %. Cette couleur a une longueur d'onde approximatif de 532.49 nm.

Variations de couleur

Noms de Couleur

Schémas de couleurs

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

Couleurs monochromatiques

  1. #606762
  2. #686f6a
  3. #6f7671
  4. #777e79
  5. #7f8681
  6. #868e89
  7. #8e9690

Teintes et nuances

#777e79 au blanc

  1. #777e79
  2. #8c928e
  3. #a2a7a4
  4. #b9bcba
  5. #d0d2d0
  6. #e7e8e7
  7. #ffffff / #fff

#777e79 au noir

  1. #777e79
  2. #626864
  3. #4e5350
  4. #3b3e3c
  5. #292b2a
  6. #181918
  7. #000000 / #000

Couleurs de peinture

Peintures similaires

  1. Behr

    1. ★ Cedar Forest HDC-AC-22
      #79807a
      ΔE = 0.913 / LRV ≈ 20.9%
    2. Iron Mountain N520-5
      #757575
      ΔE = 4.458 / LRV ≈ 17.8%
  2. CIL

    1. ★ Ellie
      #78817b
      ΔE = 1.292 / LRV ≈ 21.1%
    2. Grimmy's Grey
      #777777 / #777
      ΔE = 3.997 / LRV ≈ 18.4%
  3. Rodda Paint

    1. ★ Monument Grey H145
      #7b817b
      ΔE = 1.389 / LRV ≈ 21.3%
    2. Fieldstone H146
      #7c7b75
      ΔE = 3.104 / LRV ≈ 19.7%
  4. Resene

    1. ★ Boulder N61-006-148
      #7c817c
      ΔE = 1.521 / LRV ≈ 21.4%
    2. Grey Granite N64-006-163
      #808782
      ΔE = 3.524 / LRV ≈ 23.5%
  5. Sikkens

    1. ★ L8.05.45
      #79827d
      ΔE = 1.571 / LRV ≈ 21.5%
    2. TN.00.46
      #797b7b
      ΔE = 3.122 / LRV ≈ 19.7%
  6. GM / General Motors

    1. ★ Eddystone Gray
      #78827c
      ΔE = 1.719 / LRV ≈ 21.4%
    2. Carrara Green
      #687a77
      ΔE = 4.542 / LRV ≈ 18.2%
  7. Pratt & Lambert

    1. ★ Misty Moors 19-22
      #778078
      ΔE = 1.727 / LRV ≈ 20.7%
    2. Carriage Stone 28-19
      #7d8285
      ΔE = 4.829 / LRV ≈ 22.0%
  8. Australian Standard AS2700

    1. ★ N52 Mid Grey
      #727a76
      ΔE = 1.756 / LRV ≈ 18.8%
    2. N44 Bridge Grey
      #767778
      ΔE = 4.315 / LRV ≈ 18.4%
  9. Flügger

    1. ★ Cement Grå (H 05 )
      #7b7d78
      ΔE = 1.823 / LRV ≈ 20.2%
    2. Stormgrå (U-732)
      #7d7973
      ΔE = 4.352 / LRV ≈ 19.3%
  10. Caparol

    1. ★ 60 3 110 / Jade 35
      #74807c
      ΔE = 1.864 / LRV ≈ 20.6%
    2. ★ 58 6 100 / Tundra 15
      #787c74
      ΔE = 2.040 / LRV ≈ 19.7%
  11. Earthpaint

    1. ★ 5-20-5 Fortress
      #7c7e79
      ΔE = 1.868 / LRV ≈ 20.6%
    2. ★ 5-29-5 Beaux Grey
      #767e7d
      ΔE = 2.181 / LRV ≈ 20.3%
  12. Sigma

    1. ★ Natural Green / 7005
      #737975
      ΔE = 1.958 / LRV ≈ 18.6%
    2. Natural Green / 4364 B
      #737a70
      ΔE = 3.091 / LRV ≈ 18.7%
  13. Brillux

    1. ★ 75.03.21
      #7b807e
      ΔE = 1.967 / LRV ≈ 21.2%
    2. 03.03.21
      #7f7d75
      ΔE = 3.769 / LRV ≈ 20.5%
  14. California Paints

    1. ★ Monument Gray
      #707b76
      ΔE = 2.050 / LRV ≈ 18.9%
    2. ★ DE 6313 - Enchanted Eve
      #79837f
      ΔE = 2.116 / LRV ≈ 21.8%
  15. Tollens

    1. ★ T2029-5
      #787e75
      ΔE = 2.091 / LRV ≈ 20.2%
    2. T2156-6
      #807a73
      ΔE = 5.102 / LRV ≈ 19.7%
  16. General Paint

    1. ★ Abalon / CL 3174D
      #797b78
      ΔE = 2.120 / LRV ≈ 19.6%
    2. Elf / CL 3215D
      #83817c
      ΔE = 3.871 / LRV ≈ 22.0%
  17. Benjamin Moore

    1. ★ Porch Swing / CSP-750
      #717d7a
      ΔE = 2.184 / LRV ≈ 19.6%
    2. Amherst Gray / HC-167
      #767771
      ΔE = 3.262 / LRV ≈ 18.2%
  18. Sico

    1. 6204-63 Highway
      #767973
      ΔE = 2.305 / LRV ≈ 18.8%
    2. 6208-52 Andesite
      #747878
      ΔE = 3.432 / LRV ≈ 18.5%
  19. Dulux

    1. 52GY 24/050
      #7b8178
      ΔE = 2.372 / LRV ≈ 21.3%
    2. Night Jewels 3
      #737372
      ΔE = 4.823 / LRV ≈ 17.1%
  20. Duron

    1. Attitude Gray
      #7f817c
      ΔE = 2.416 / LRV ≈ 21.7%
    2. Cityscape
      #7f8384
      ΔE = 4.105 / LRV ≈ 22.4%
  21. Audi

    1. Graphite Gray Metallic / 9Q9Q, LM7W
      #7a7d7c
      ΔE = 2.425 / LRV ≈ 20.3%
    2. Hochlandgruen Metallic/Highland Green Metallic / 7S, 7S7S, LY6J
      #71807a
      ΔE = 2.747 / LRV ≈ 20.4%
  22. Cloverdale Paint

    1. Rio Bravo / 8335
      #74807e
      ΔE = 2.430 / LRV ≈ 20.7%
    2. Roman Stone / 8311
      #707775
      ΔE = 3.115 / LRV ≈ 17.9%
  23. Valspar Paint

    1. Coastal Dusk
      #7f827b
      ΔE = 2.593 / LRV ≈ 21.9%
    2. Redstone Blue Spruce
      #7d867f
      ΔE = 3.144 / LRV ≈ 22.9%
  24. Dupont

    1. CAS869
      #6f7a73
      ΔE = 2.596 / LRV ≈ 18.5%
    2. CAS853
      #76796f
      ΔE = 3.510 / LRV ≈ 18.7%
  25. Toyo Ink

    1. CF10995
      #7c7c78
      ΔE = 2.602 / LRV ≈ 20.1%
    2. CF10988
      #808981
      ΔE = 4.359 / LRV ≈ 24.1%
  26. Crown Paint

    1. Fade to Grey
      #6e7a75
      ΔE = 2.632 / LRV ≈ 18.5%
  27. Krylon

    1. Classic Gray
      #787974
      ΔE = 2.657 / LRV ≈ 18.9%
  28. Diamond Vogel

    1. Stairway to Heaven / 0479
      #6f7874
      ΔE = 2.664 / LRV ≈ 18.1%
    2. Billowing Smoke / 0583
      #747770
      ΔE = 3.110 / LRV ≈ 18.1%
  29. Sherwin-Williams

    1. Retreat - 6207
      #7a8076
      ΔE = 2.675 / LRV ≈ 20.9%
    2. Link Gray - 6200
      #7f7e72
      ΔE = 4.728 / LRV ≈ 20.6%
  30. RAL

    1. RAL 9023 / Pearl Dark Grey
      #797b7a
      ΔE = 2.693 / LRV ≈ 19.6%
    2. RAL 860-5
      #7a7a79
      ΔE = 3.250 / LRV ≈ 19.4%
  31. Devoe Paint

    1. Charcoal Slate / 30BB 21/014
      #7c7c79
      ΔE = 2.699 / LRV ≈ 20.1%
    2. Bicentennial / 30GG 22/079
      #75857a
      ΔE = 4.612 / LRV ≈ 22.0%
  32. Nerolac

    1. Gulf - 2943
      #798581
      ΔE = 2.985 / LRV ≈ 22.4%
    2. Green Tea - 2936
      #748176
      ΔE = 3.641 / LRV ≈ 20.7%
  33. Sto

    1. 36231
      #7d857d
      ΔE = 2.993 / LRV ≈ 22.6%
    2. 36130
      #677c75
      ΔE = 5.159 / LRV ≈ 18.6%
  34. Pantone / PMS

    1. 424
      #7a7a78
      ΔE = 3.019 / LRV ≈ 19.4%
    2. 444
      #828585
      ΔE = 4.331 / LRV ≈ 23.2%
  35. Testors

    1. Testors 2538C
      #737877
      ΔE = 3.022 / LRV ≈ 18.4%
  36. Magnolia Home

    1. Sage Stem / JG-65
      #7e857d
      ΔE = 3.055 / LRV ≈ 22.7%
    2. Luxe / JG-10
      #6b7970
      ΔE = 4.103 / LRV ≈ 18.0%
  37. ICI Paints

    1. Thundercloud 10GG 26/046
      #7c8680
      ΔE = 3.073 / LRV ≈ 22.9%
    2. Little Rock 30BG 26/023
      #7f8685
      ΔE = 3.885 / LRV ≈ 23.3%
  38. Tikkurila

    1. 566X
      #777a7a
      ΔE = 3.116 / LRV ≈ 19.2%
    2. 599X
      #6e7c7e
      ΔE = 4.611 / LRV ≈ 19.2%
  39. Tamiya

    1. Tamiya 86528, AS28
      #727e7e
      ΔE = 3.228 / LRV ≈ 20.0%
  40. Bentley

    1. Kensington Grey / 9561053
      #7b7c7c
      ΔE = 3.234 / LRV ≈ 20.1%
  41. Johnstone's Paint

    1. Steel Smoke
      #727979
      ΔE = 3.252 / LRV ≈ 18.6%
  42. Olympic

    1. Dwarf Spruce D62-5
      #72827b
      ΔE = 3.274 / LRV ≈ 21.0%
    2. Dover Gray D58-4
      #838483
      ΔE = 4.098 / LRV ≈ 23.0%
  43. Evonik-Degussa

    1. 563
      #81807b
      ΔE = 3.305 / LRV ≈ 21.5%
    2. 503
      #6d7f7e
      ΔE = 4.272 / LRV ≈ 19.9%
  44. Dunn-Edwards

    1. Boxwood / 423
      #707b71
      ΔE = 3.308 / LRV ≈ 18.8%
    2. Rhinoceros / 437
      #727a7c
      ΔE = 4.103 / LRV ≈ 19.0%
  45. British Standard

    1. BS381 693 - Aircraft grey
      #7f8583
      ΔE = 3.320 / LRV ≈ 22.9%
    2. BS 4800 18 B 23 - Grey
      #707a7c
      ΔE = 4.275 / LRV ≈ 18.8%
  46. Federal Standard

    1. Federal Standard 24158
      #6c7976
      ΔE = 3.360 / LRV ≈ 18.2%
    2. Federal Standard 14159
      #747b6e
      ΔE = 4.302 / LRV ≈ 19.0%
  47. Opaltone / OMS

    1. 5200
      #75796f
      ΔE = 3.405 / LRV ≈ 18.6%
    2. 5207
      #6e776a
      ΔE = 5.206 / LRV ≈ 17.5%
  48. Crown Diamond

    1. 7403-52 Andesite
      #747878
      ΔE = 3.432 / LRV ≈ 18.5%
    2. 7394-63 Serene Lake
      #6e796d
      ΔE = 4.550 / LRV ≈ 18.1%
  49. Alcro

    1. Gradis
      #7e7c79
      ΔE = 3.462 / LRV ≈ 20.2%
    2. Antracit Metallic
      #6d7574
      ΔE = 4.154 / LRV ≈ 17.2%
  50. Peintures MF

    1. La magie d'Ida
      #748181
      ΔE = 3.503 / LRV ≈ 21.0%
    2. DD467-4
      #6d7574
      ΔE = 4.154 / LRV ≈ 17.2%
  51. Kelly-Moore

    1. Iron Mountain / KM3830-3
      #757673
      ΔE = 3.504 / LRV ≈ 18.0%
    2. Mirror Lake / KM990-D
      #868a85
      ΔE = 5.047 / LRV ≈ 24.9%
  52. Porter Paints

    1. Thunderbolt / ATC-60
      #7c8783
      ΔE = 3.561 / LRV ≈ 23.3%
    2. Dover Gray / 518-5
      #848585
      ΔE = 4.667 / LRV ≈ 23.4%
  53. Bristol

    1. Steel / P200-N6
      #7a7a71
      ΔE = 3.568 / LRV ≈ 19.2%
    2. Stormy Skies / P226-N6
      #838682
      ΔE = 3.793 / LRV ≈ 23.5%
  54. Clark+Kensington

    1. Twilight Hour / EXTCC-33
      #728280
      ΔE = 3.574 / LRV ≈ 21.1%
    2. Far Away Land / 30A-4
      #73857e
      ΔE = 4.205 / LRV ≈ 21.9%
  55. KILZ

    1. Smokey Eyes / H871
      #7f7d76
      ΔE = 3.578 / LRV ≈ 20.5%
    2. Chipped Granite / G861
      #7f8385
      ΔE = 4.592 / LRV ≈ 22.4%
  56. Berger

    1. Rio Barvo / 8335
      #6f7c7c
      ΔE = 3.588 / LRV ≈ 19.2%
    2. Gothic Grey / 8312
      #7e8788
      ΔE = 4.851 / LRV ≈ 23.5%
  57. Coronado Paint

    1. 8335 - Rio Bravo
      #6c7876
      ΔE = 3.599 / LRV ≈ 17.9%
    2. 8367 - Green Shadow
      #747e72
      ΔE = 3.682 / LRV ≈ 19.8%
  58. Ski-Doo

    1. Catalyst Grey / B356
      #7b8484
      ΔE = 3.644 / LRV ≈ 22.4%
  59. Ford

    1. Mission Gray
      #82817a
      ΔE = 3.653 / LRV ≈ 21.9%
    2. Arizona Beige
      #878784
      ΔE = 4.945 / LRV ≈ 24.1%
  60. Vallejo

    1. Vallejo 70.987 #111
      #757c70
      ΔE = 3.691 / LRV ≈ 19.4%
  61. Games Workshop - Citadel

    1. Dawnstone
      #70756e
      ΔE = 3.705 / LRV ≈ 17.3%
  62. Disney

    1. 4C-10-3 Space Suit
      #768383
      ΔE = 3.767 / LRV ≈ 21.7%
  63. Chrysler

    1. Anniversary Silver
      #777673
      ΔE = 3.932 / LRV ≈ 18.1%
    2. Luna Gray
      #76766d
      ΔE = 4.348 / LRV ≈ 17.9%
  64. Ralph Lauren

    1. Shale Blue / VM124
      #788384
      ΔE = 3.973 / LRV ≈ 21.9%
    2. Washboard / RLTH238
      #878683
      ΔE = 4.916 / LRV ≈ 23.8%
  65. Humbrol

    1. 126 Us Medium Grey
      #7f8885
      ΔE = 4.025 / LRV ≈ 23.8%
    2. 156 Dark Camouflage Grey
      #78797b
      ΔE = 4.512 / LRV ≈ 19.1%
  66. Taubmans

    1. Coal Train / T12 7.F11
      #808277
      ΔE = 4.030 / LRV ≈ 21.9%
    2. Silhouette / T12 47.F12
      #707474
      ΔE = 4.543 / LRV ≈ 17.2%
  67. PPG Pittsburgh Paints

    1. Flint Gray 507-5
      #828884
      ΔE = 4.069 / LRV ≈ 24.0%
    2. Falls Of The Ohio 7060-2
      #848982
      ΔE = 4.583 / LRV ≈ 24.4%
  68. Volkswagen

    1. Light Sahara Sand
      #83847b
      ΔE = 4.101 / LRV ≈ 22.8%
    2. Melange Beige
      #87827d
      ΔE = 5.207 / LRV ≈ 22.6%
  69. Beckers

    1. Cyklon 515 / 5301-B28G
      #777879
      ΔE = 4.135 / LRV ≈ 18.7%
    2. Sisal 559 / S 5005-Y20R
      #858379
      ΔE = 4.974 / LRV ≈ 22.6%
  70. Scib Paints

    1. Grey Matters / 8304
      #838584
      ΔE = 4.180 / LRV ≈ 23.3%
    2. Burnished Pewter / 8327
      #6f726a
      ΔE = 5.040 / LRV ≈ 16.5%
  71. Natural Color System / NCS

    1. S 4502-B
      #7f7d7d
      ΔE = 4.190 / LRV ≈ 20.7%
    2. S 4010-B30G
      #708384
      ΔE = 5.226 / LRV ≈ 21.3%
  72. Martha Stewart Living

    1. Thunderclap C14
      #6d7e74
      ΔE = 4.301 / LRV ≈ 19.4%
  73. New Look

    1. Little Battler / B11-05
      #7e7c72
      ΔE = 4.302 / LRV ≈ 20.1%
  74. Vista Paint

    1. Slippery Shale
      #848882
      ΔE = 4.304 / LRV ≈ 24.1%
    2. Roman Stone
      #6a7271
      ΔE = 5.214 / LRV ≈ 16.3%
  75. Wanderer

    1. Firngrau / 434
      #74746e
      ΔE = 4.346 / LRV ≈ 17.3%
  76. Jotun

    1. 1462 / Grå Skifer
      #84817a
      ΔE = 4.379 / LRV ≈ 22.0%
    2. 8304 / Timian
      #7c796e
      ΔE = 5.103 / LRV ≈ 19.1%
  77. Nippon Paint

    1. Restful Watch / NP N 2024 D
      #6d7371
      ΔE = 4.487 / LRV ≈ 16.7%
    2. Hardware Gray / NP N 2031 D
      #70736c
      ΔE = 4.498 / LRV ≈ 16.8%
  78. Glidden

    1. Phantom / PPG1036-6
      #6e797b
      ΔE = 4.566 / LRV ≈ 18.4%
    2. Rough Ride / PPG1036-5
      #7a8687
      ΔE = 4.682 / LRV ≈ 22.9%
  79. Dutch Boy

    1. Timbermine
      #7c7871
      ΔE = 4.582 / LRV ≈ 18.9%
    2. High Seas
      #6f8283
      ΔE = 5.153 / LRV ≈ 21.0%
  80. Model Master

    1. Model Master 2712
      #7f7b7a
      ΔE = 4.611 / LRV ≈ 20.1%
  81. Wattyl

    1. Thunderbolt / A27W
      #807b74
      ΔE = 4.697 / LRV ≈ 20.0%
  82. Afnor

    1. Gris Clair / 1680
      #70726e
      ΔE = 4.700 / LRV ≈ 16.6%
  83. Dulux Australia

    1. Mountain Spur / F12
      #727372
      ΔE = 4.709 / LRV ≈ 17.1%
    2. Metal Icon / E21
      #7c8285
      ΔE = 4.760 / LRV ≈ 21.9%
  84. Little Greene

    1. Spark's Grey
      #7e7976
      ΔE = 4.742 / LRV ≈ 19.4%
  85. Albany Paint

    1. Martello Tower
      #847f79
      ΔE = 4.779 / LRV ≈ 21.5%
  86. Brighto Paints

    1. 5-20-5 Fortress
      #848a85
      ΔE = 4.783 / LRV ≈ 24.8%
    2. 6259 Ice Star
      #6d7576
      ΔE = 4.783 / LRV ≈ 17.3%
  87. Graham & Brown

    1. 1946
      #6d8180
      ΔE = 4.807 / LRV ≈ 20.5%
  88. Colorhouse

    1. Stone .07
      #848a86
      ΔE = 4.838 / LRV ≈ 24.8%
  89. Levis

    1. Atl Matin B6
      #858585
      ΔE = 4.863 / LRV ≈ 23.5%
    2. Mild Grey
      #87837e
      ΔE = 5.036 / LRV ≈ 22.9%
  90. Mylands of London

    1. Sage
      #69796f
      ΔE = 4.882 / LRV ≈ 17.8%
  91. AMC

    1. Inca Silver
      #7e8386
      ΔE = 4.999 / LRV ≈ 22.4%
    2. Echo Green
      #7c877a
      ΔE = 5.114 / LRV ≈ 23.0%
  92. Asian Paints

    1. Shadow Dance / 8303
      #717271
      ΔE = 5.034 / LRV ≈ 16.7%
    2. On The Banks / 9479
      #6a7270
      ΔE = 5.040 / LRV ≈ 16.3%
  93. Jedynka

    1. Pd 1178
      #858a87
      ΔE = 5.056 / LRV ≈ 24.9%
  94. Colortrend

    1. 0534
      #858787
      ΔE = 5.086 / LRV ≈ 24.1%
    2. 0582
      #878a85
      ΔE = 5.216 / LRV ≈ 25.0%

#777e79 Exemples de code HTML et CSS

#777e79 premier plan

Tel père, tel fils.

<p style="color: #777e79">…</p>

#777e79 fond

Petit poisson deviendra grand.

<p style="background-color: #777e79">…</p>

#777e79 ombre du texte

Mieux vaut que entre fou avec tous que sage tout seul.

<p style="text-shadow: 0.1em 0.1em 0.15em #777e79">…</p>

Composition des couleurs

Conversions d'espace colorimétrique

Décimal
7831161
Binaire
01110111, 01111110, 01111001
Hexadécimal
#777e79
LRV
≈ 20.2%
Hexadécimal court le plus proche
#777 ΔE = 4.545
RGB
rgb(119, 126, 121)
RGBA
rgba(119, 126, 121, 1.0)
chromaticité rg
r: 0.325, g: 0.344, b: 0.331
RYB
rouge: 46.667%, jaune: 48.802%, bleu: 49.412%
Android / android.graphics.Color
-8946055 / 0xff777e79
HSL
hsl(137, 3%, 48%)
HSLA
hsla(137, 3%, 48%, 1.0)
HSV / HSB
teinte: 137° (137.143), saturation: 6% (0.056), valeur: 49% (0.494)
HSP
teinte: 137.143, saturation: 5.556%, luminosité perçue: 48.384%
HSLuv (HUSL)
H: 139.960, S: 7.903, L: 52.090
Cubehelix
H: -235.130, S: 0.044, L: 0.484
TSL
T: -0.761, S: 0.018, L: 0.484
CMYK
cyan: 6% (0.056), magenta: 0% (0.000), jaune: 4% (0.040), noir: 51% (0.506)
CMY
cyan: 53% (0.533), magenta: 51% (0.506), jaune: 53% (0.525)
XYZ
X: 18.519, Y: 20.224, Z: 21.013
xyY
x: 0.310, y: 0.338, Y: 20.224
CIELab
L: 52.090, a: -3.623, b: 1.818
CIELuv
L: 52.090, u: -3.652, v: 3.069
CIELCH / LCHab
L: 52.090, C: 4.054, H: 153.359
CIELUV / LCHuv
L: 52.090, C: 4.770, H: 139.960
Hunter-Lab
L: 44.971, a: -5.193, b: 3.776
CIECAM02
J: 41.597, C: 5.764, h: 163.018, Q: 127.070, M: 5.041, s: 19.917, H: 198.832
OSA-UCS
luminosité: -10.063, jaune: 0.207, vert: 0.744
LMS
L: 18.846, M: 21.428, S: 20.995
YCbCr
Y: 121.945, Cb: 126.841, Cr: 125.282
YCoCg
Y: 123.000, Cg: 3.000, Co: 29.250
YDbDr
Y: 123.337, Db: -3.515, Dr: 8.246
YPbPr
Y: 124.149, Pb: -1.695, Pr: -3.270
xvYCC
Y: 122.622, Cb: 126.511, Cr: 125.128
YIQ
Y: 123.337, I: -2.564, Q: -3.036
YUV
Y: 123.337, U: -1.149, V: -3.805
Système colorimétrique de Munsell
10G 5/1 ΔE = 1.722
Couleur de marque
Wii ΔE = 11.848

Couleurs aléatoires

Rouge

Vert

Bleu