Encycolorpedia

Nippon Paint Orange Royale / NP AC 2063 A / #ed8644 Hexfärgkod

#ed8644 Paint ChipHexdecimalsfärgkoden #ed8644 är en nyans i orange. I RGB-färgmodellen #ed8644 består av 92.94% röd, 52.55% grönt och 26.67% blått. I HSL-färgutrymmet #ed8644 har en färgton på 23° (grader), 82% mättnad och 60% ljusstyrka. Färgen har en ungefärlig våglängd på 590.12 nm.

Färgvariationer

Relaterade färgnamn

Färgscheman

Ladda ner: GIMP GPL Adobe ASE (Adobe Swatch Exchange) Sketch Palette

#ed8644 linjär gradient till kompletterande #32c6ff

  1. #ed8644
  2. #e19264
  3. #d29d83
  4. #bfa8a1
  5. #a6b2c0
  6. #81bcdf
  7. #32c6ff

Monokromatiska färger

  1. #c96827
  2. #d57231
  3. #e17c3a
  4. #ed8644
  5. #f9904e
  6. #ff9b57
  7. #ffa561

Färgton

  1. #ed8644
  2. #e28a53
  3. #d58d62
  4. #c99170
  5. #ba947e
  6. #ab968b
  7. #999999 / #999

Färgtoner och nyanser

#ed8644 till vit

  1. #ed8644
  2. #f49a63
  3. #faae81
  4. #fec2a0
  5. #ffd6bf
  6. #ffebdf
  7. #ffffff / #fff

#ed8644 till svart

  1. #ed8644
  2. #c26f3a
  3. #985830
  4. #714226
  5. #4b2e1c
  6. #291a12
  7. #000000 / #000

Målarfärger

Matchande färger

Liknande färger

  1. Resene

    1. ★ Flamenco O70-155-058
      #ea8645
      ΔE = 0.589 / LRV ≈ 35.0%
    2. West Side O73-180-064
      #e5823a
      ΔE = 2.420 / LRV ≈ 32.9%
  2. ICI Paints

    1. ★ Desert Orange 78YR 39/593
      #ec8443
      ΔE = 0.646 / LRV ≈ 34.7%
    2. Valencia 90YR 41/472
      #e29555
      ΔE = 5.018 / LRV ≈ 38.3%
  3. Sto

    1. ★ 32200
      #ea8547
      ΔE = 0.907 / LRV ≈ 34.7%
    2. 32301
      #eb7f53
      ΔE = 4.942 / LRV ≈ 33.5%
  4. Sikkens

    1. ★ D6.50.60
      #f08341
      ΔE = 1.026 / LRV ≈ 35.1%
    2. E3.65.58
      #ed892c
      ΔE = 4.502 / LRV ≈ 36.1%
  5. Focoltone

    1. ★ 2194
      #ef8649
      ΔE = 1.119 / LRV ≈ 35.9%
  6. Model Master

    1. ★ Model Master 28107
      #f48643
      ΔE = 1.384 / LRV ≈ 36.7%
    2. Model Master 28106
      #e77f3e
      ΔE = 2.383 / LRV ≈ 32.5%
  7. Tollens

    1. ★ UC013 Orange Amsterdam
      #f08345
      ΔE = 1.408 / LRV ≈ 35.2%
    2. T2064-6
      #e98d41
      ΔE = 3.181 / LRV ≈ 36.8%
  8. Colortrend

    1. ★ 0977
      #f08a45
      ΔE = 1.418 / LRV ≈ 37.1%
    2. 1025
      #e89161
      ΔE = 4.315 / LRV ≈ 38.3%
  9. Valspar Paint

    1. ★ Vitamin C X63R135E
      #f18a4a
      ΔE = 1.492 / LRV ≈ 37.4%
    2. La Fonda Spanish Dancer
      #ed8d59
      ΔE = 3.193 / LRV ≈ 37.8%
  10. Duron

    1. ★ Marquis Orange
      #f08b47
      ΔE = 1.624 / LRV ≈ 37.5%
    2. Amber Wave
      #ee934d
      ΔE = 3.994 / LRV ≈ 39.6%
  11. Dulux

    1. ★ 78YR 39/593
      #ee8c4d
      ΔE = 1.782 / LRV ≈ 37.5%
    2. 90YR 34/561
      #dd8a43
      ΔE = 3.985 / LRV ≈ 34.0%
  12. Porter Paints

    1. ★ Orange Poppy / 124-7
      #ea874f
      ΔE = 1.823 / LRV ≈ 35.4%
    2. Indiana Clay / 125-6
      #ec8a5b
      ΔE = 3.786 / LRV ≈ 36.8%
  13. Federal Standard

    1. ★ Federal Standard 32473
      #e9864e
      ΔE = 1.859 / LRV ≈ 34.9%
  14. Evonik-Degussa

    1. ★ 7083D Autumn Blaze
      #ec864e
      ΔE = 1.873 / LRV ≈ 35.4%
    2. 371
      #f6924a
      ΔE = 4.083 / LRV ≈ 40.7%
  15. Crayola

    1. ★ Terra Cotta
      #e38749
      ΔE = 1.968 / LRV ≈ 34.1%
    2. Alloy Orange
      #dd8436
      ΔE = 4.408 / LRV ≈ 32.1%
  16. Olympic

    1. ★ Pumpkin Pleasure A22-6
      #ea863a
      ΔE = 2.003 / LRV ≈ 34.9%
    2. Indiana Clay A24-5
      #e2875b
      ΔE = 4.317 / LRV ≈ 34.3%
  17. Wattyl

    1. ★ Tangella / B79W
      #eb7f3b
      ΔE = 2.049 / LRV ≈ 33.2%
    2. Calendula / B78W
      #e3863e
      ΔE = 2.596 / LRV ≈ 33.7%
  18. Glidden

    1. ★ Orange Poppy / PPG1196-7
      #e68750
      ΔE = 2.159 / LRV ≈ 34.7%
    2. Desert Orange / 78YR 39/593
      #f4914e
      ΔE = 3.514 / LRV ≈ 40.0%
  19. PPG Pittsburgh Paints

    1. ★ Orange Poppy / PPG1196-7
      #e68750
      ΔE = 2.159 / LRV ≈ 34.7%
    2. Carrot Cake / PPG1198-5
      #dc8c59
      ΔE = 3.961 / LRV ≈ 34.7%
  20. TRUMATCH

    1. ★ 7-c
      #ef8249
      ΔE = 2.259 / LRV ≈ 34.8%
    2. 7-c1
      #e67d46
      ΔE = 3.602 / LRV ≈ 31.9%
  21. Australian Standard AS2700

    1. X24 Rockmelon
      #f6884b
      ΔE = 2.321 / LRV ≈ 37.7%
  22. Devoe Paint

    1. Desert Orange / 78YR 39/593
      #f18d47
      ΔE = 2.327 / LRV ≈ 38.2%
    2. Harvest Spice / 70YR 29/559
      #dc7b3f
      ΔE = 4.790 / LRV ≈ 29.7%
  23. Opaltone / OMS

    1. 4032
      #e6844d
      ΔE = 2.345 / LRV ≈ 33.9%
    2. 4490
      #d7823a
      ΔE = 5.114 / LRV ≈ 30.7%
  24. Taubmans

    1. Pumpkin Pie / T12 18.H3
      #ea8335
      ΔE = 2.347 / LRV ≈ 34.0%
    2. Indian Spice / T10 16C-1
      #ef824b
      ΔE = 2.607 / LRV ≈ 34.8%
  25. Earthpaint

    1. 1-7-6 Bird of Paradise
      #f68638
      ΔE = 2.369 / LRV ≈ 36.9%
    2. 2-8-5 Orient Express
      #e09356
      ΔE = 4.578 / LRV ≈ 37.4%
  26. Behr

    1. Orange Burst 230B-6
      #f68037
      ΔE = 2.394 / LRV ≈ 35.3%
    2. Harvest Pumpkin 220B-6
      #f27e4d
      ΔE = 4.420 / LRV ≈ 34.3%
  27. Jotun

    1. 1628 / Impuls
      #e58040
      ΔE = 2.406 / LRV ≈ 32.5%
    2. 1336 / Teleoker
      #d6894a
      ΔE = 4.750 / LRV ≈ 32.7%
  28. CIL

    1. Desert Orange
      #ed8e4a
      ΔE = 2.414 / LRV ≈ 37.8%
    2. Samoan Sun
      #e39052
      ΔE = 3.476 / LRV ≈ 36.9%
  29. Dutch Boy

    1. Orangeen
      #ed7f33
      ΔE = 2.436 / LRV ≈ 33.4%
    2. Orange Bouquet
      #f38a2d
      ΔE = 4.456 / LRV ≈ 37.4%
  30. Benjamin Moore

    1. Tangerine Melt / 091
      #f88446
      ΔE = 2.559 / LRV ≈ 36.9%
    2. Harvest Moon / 2167-30
      #dc8551
      ΔE = 3.758 / LRV ≈ 32.6%
  31. Sigma

    1. Orange Terra / S 0570-Y50R
      #f88b47
      ΔE = 2.653 / LRV ≈ 38.9%
    2. Orange Terra / S 2050-Y40R
      #dc9257
      ΔE = 4.818 / LRV ≈ 36.5%
  32. Pantone / PMS

    1. 1575
      #fa873d
      ΔE = 2.693 / LRV ≈ 38.0%
    2. 164
      #fa803d
      ΔE = 2.968 / LRV ≈ 36.1%
  33. Cloverdale Paint

    1. Haleys Comet / 7973
      #fa8337
      ΔE = 2.792 / LRV ≈ 36.8%
    2. Glowing Ember / AC112
      #e3793e
      ΔE = 4.463 / LRV ≈ 30.4%
  34. RAL

    1. RAL 060 70 60
      #f08f48
      ΔE = 2.906 / LRV ≈ 38.6%
    2. RAL 390-1
      #eb773f
      ΔE = 4.733 / LRV ≈ 31.2%
  35. Sherwin-Williams

    1. Navel - 6887
      #ec8430
      ΔE = 2.999 / LRV ≈ 34.6%
    2. Kid's Stuff - 6893
      #ed8732
      ΔE = 3.199 / LRV ≈ 35.6%
  36. Disney

    1. 1B-50 Orange Blast
      #f57c35
      ΔE = 3.052 / LRV ≈ 34.1%
    2. 1C-60-3 Donald Orange
      #f39552
      ΔE = 4.567 / LRV ≈ 41.2%
  37. Nerolac

    1. Autumn Flame - 2097
      #e58755
      ΔE = 3.069 / LRV ≈ 34.6%
    2. Archie's Orange - 4053
      #dc7c41
      ΔE = 4.612 / LRV ≈ 30.0%
  38. Habitat

    1. Orange
      #f5802d
      ΔE = 3.077 / LRV ≈ 35.0%
  39. Toyo Ink

    1. CF10152
      #de8744
      ΔE = 3.195 / LRV ≈ 33.3%
    2. CF10143
      #e67838
      ΔE = 4.287 / LRV ≈ 30.5%
  40. Plascon

    1. Desert Vista O2-B1-2
      #fc803c
      ΔE = 3.271 / LRV ≈ 36.5%
    2. Mountain Rock O3-B1-2
      #fc8c40
      ΔE = 3.674 / LRV ≈ 39.8%
  41. Coronado Paint

    1. 7990 - Autumn Splendor
      #f8874f
      ΔE = 3.282 / LRV ≈ 37.9%
    2. 7998 - Cimarron Trail
      #e58758
      ΔE = 3.638 / LRV ≈ 34.7%
  42. Laura Ashley

    1. 605 Pumpkin 5
      #f08f58
      ΔE = 3.326 / LRV ≈ 38.9%
    2. 716 October Bronze
      #d8813e
      ΔE = 4.655 / LRV ≈ 30.7%
  43. British Standard

    1. BS 4800 06 E 51 - Mandarin orange / Clementine
      #ef8e59
      ΔE = 3.331 / LRV ≈ 38.4%
    2. BS 4800 06 C 35 - Light orange
      #e48e45
      ΔE = 3.659 / LRV ≈ 36.3%
  44. Caran d'Ache

    1. 041 Apricot
      #f5904a
      ΔE = 3.402 / LRV ≈ 39.9%
  45. Games Workshop - Citadel

    1. Fire Dragon Bright
      #f58652
      ΔE = 3.506 / LRV ≈ 37.1%
    2. Bestigor Flesh
      #d38a57
      ΔE = 5.236 / LRV ≈ 32.7%
  46. Berger

    1. Cimarron Trail / 7998
      #eb905b
      ΔE = 3.516 / LRV ≈ 38.4%
    2. Bergamot Orange / 7981
      #d9863a
      ΔE = 5.026 / LRV ≈ 32.1%
  47. Vista Paint

    1. Cimarron Trail
      #eb905b
      ΔE = 3.516 / LRV ≈ 38.4%
    2. Bergamot Orange
      #d9863a
      ΔE = 5.026 / LRV ≈ 32.1%
  48. Scania

    1. Beige / 1406801
      #e39050
      ΔE = 3.550 / LRV ≈ 36.9%
  49. Kelly-Moore

    1. Bright Bittersweet / KM3600-5
      #ec7b41
      ΔE = 3.556 / LRV ≈ 32.4%
    2. Bergamot Orange / KM3592-5
      #d88745
      ΔE = 4.405 / LRV ≈ 32.4%
  50. Beckers

    1. Eld 663 / 1466-Y58R
      #f3914a
      ΔE = 3.575 / LRV ≈ 39.8%
  51. Brillux

    1. 18.21.15
      #f88f45
      ΔE = 3.630 / LRV ≈ 40.0%
    2. 18.18.15
      #ef9557
      ΔE = 4.392 / LRV ≈ 40.5%
  52. Caparol

    1. 09/13
      #dc8854
      ΔE = 3.670 / LRV ≈ 33.5%
    2. 11/10
      #f0882c
      ΔE = 4.132 / LRV ≈ 36.3%
  53. Crown Paint

    1. 1981 Orange
      #ef8555
      ΔE = 3.738 / LRV ≈ 35.8%
    2. Orange Squash
      #e89362
      ΔE = 4.578 / LRV ≈ 38.9%
  54. Natural Color System / NCS

    1. S 2040-Y50R
      #f27e49
      ΔE = 3.757 / LRV ≈ 34.3%
    2. S 1060-Y40R
      #ff8232
      ΔE = 3.854 / LRV ≈ 37.5%
  55. Crown Diamond

    1. 7234-74 Pueblo
      #e17d44
      ΔE = 3.856 / LRV ≈ 31.1%
    2. 7232-64 Hymn for the Sun
      #e59352
      ΔE = 4.197 / LRV ≈ 38.1%
  56. Sico

    1. 6086-74 Pueblo
      #e17d44
      ΔE = 3.856 / LRV ≈ 31.1%
    2. 6089-74 Hallowe'en Orange
      #da823d
      ΔE = 4.285 / LRV ≈ 31.2%
  57. Chrysler

    1. Orange
      #fd842f
      ΔE = 3.861 / LRV ≈ 37.6%
  58. GM / General Motors

    1. Orange Yellow
      #fd842f
      ΔE = 3.861 / LRV ≈ 37.6%
    2. Inca Gold
      #fa852a
      ΔE = 4.117 / LRV ≈ 37.3%
  59. Levis

    1. Vuurvliegje
      #da8953
      ΔE = 3.878 / LRV ≈ 33.4%
    2. Clear Orange B70
      #fa7625
      ΔE = 4.974 / LRV ≈ 33.4%
  60. California Paints

    1. DE 5167 - Valley of Fire
      #ff8a4a
      ΔE = 3.940 / LRV ≈ 39.9%
    2. DE 5160 - Tangerine Dream
      #ff8449
      ΔE = 4.133 / LRV ≈ 38.2%
  61. Dunn-Edwards

    1. Valley of Fire / 2793
      #ff8a4a
      ΔE = 3.940 / LRV ≈ 39.9%
    2. Yams / 2183
      #eb9552
      ΔE = 4.507 / LRV ≈ 39.8%
  62. Dupont

    1. CAS155
      #f89151
      ΔE = 3.951 / LRV ≈ 40.8%
  63. Pascol

    1. Sunnyvale PI020
      #f4782b
      ΔE = 4.087 / LRV ≈ 32.8%
  64. Asian Paints

    1. Glowing Rust / X112
      #e57939
      ΔE = 4.112 / LRV ≈ 30.6%
    2. Dusky Saffron / 7981
      #d9863a
      ΔE = 5.026 / LRV ≈ 32.1%
  65. General Paint

    1. Knickerbocker / CL 1656N
      #e38632
      ΔE = 4.119 / LRV ≈ 33.6%
    2. Remarkable / CL 1605D
      #da8856
      ΔE = 4.130 / LRV ≈ 33.2%
  66. Brighto Paints

    1. 2-6-6 Coral Blossom
      #e08c5e
      ΔE = 4.163 / LRV ≈ 35.4%
    2. 2-8-6 Radiance
      #db8e49
      ΔE = 4.783 / LRV ≈ 34.9%
  67. Lascaux

    1. Cadmium­ orange medium / 122
      #f17c21
      ΔE = 4.253 / LRV ≈ 33.2%
  68. Diamond Vogel

    1. Heat of Summer / 1025
      #e89161
      ΔE = 4.315 / LRV ≈ 38.3%
    2. Lava Lamp / 1033
      #e77841
      ΔE = 4.717 / LRV ≈ 30.8%
  69. Peintures MF

    1. Queue de tigre
      #e6792c
      ΔE = 4.342 / LRV ≈ 30.7%
    2. Mikado
      #f57424
      ΔE = 5.141 / LRV ≈ 32.0%
  70. Vallejo Model Color

    1. Brown Rose (803)
      #f78c5a
      ΔE = 4.421 / LRV ≈ 39.3%
    2. Dark Flesh (927)
      #f7944a
      ΔE = 4.778 / LRV ≈ 41.5%
  71. Reaper Master

    1. Rosy Skin (9068)
      #f78c5a
      ΔE = 4.421 / LRV ≈ 39.3%
    2. Burnt Orange (9111)
      #f7944a
      ΔE = 4.778 / LRV ≈ 41.5%
  72. Vallejo Game Color

    1. Dwarf Skin (041)
      #f78c5a
      ΔE = 4.421 / LRV ≈ 39.3%
    2. Bronze Flesh (036)
      #f7944a
      ΔE = 4.778 / LRV ≈ 41.5%
  73. Old Citadel

    1. Dwarf Flesh
      #f78c5a
      ΔE = 4.421 / LRV ≈ 39.3%
    2. Bronzed Flesh
      #f7944a
      ΔE = 4.778 / LRV ≈ 41.5%
  74. Dulux Australia

    1. Coppersmith / A133
      #d9853f
      ΔE = 4.455 / LRV ≈ 31.9%
  75. Pratt & Lambert

    1. Baby Carrot 8-11
      #f38a2d
      ΔE = 4.456 / LRV ≈ 37.4%
    2. Acorn 9-15
      #d68e50
      ΔE = 5.243 / LRV ≈ 34.2%
  76. Volkswagen

    1. Amber
      #dd7c38
      ΔE = 4.488 / LRV ≈ 30.1%
    2. Timor Beige
      #d98557
      ΔE = 4.801 / LRV ≈ 32.2%
  77. Bristol

    1. Marblebar / P041-W6
      #f88524
      ΔE = 4.605 / LRV ≈ 36.9%
    2. Glenorie / P039-W7
      #dc8431
      ΔE = 5.145 / LRV ≈ 31.9%
  78. Jedynka

    1. Pasztell Narancs
      #f5821f
      ΔE = 4.638 / LRV ≈ 35.5%
    2. Érett Mandarin
      #e7845c
      ΔE = 5.250 / LRV ≈ 34.3%
  79. Kansai Paint

    1. Sunset Orange
      #eb8e62
      ΔE = 4.663 / LRV ≈ 37.9%
  80. Scib Paints

    1. Autumn Splendor / 7990
      #fe9150
      ΔE = 4.750 / LRV ≈ 41.9%
    2. Bergamot Orange / 7981
      #d9863a
      ΔE = 5.026 / LRV ≈ 32.1%
  81. Tikkurila

    1. S314
      #e28155
      ΔE = 4.796 / LRV ≈ 32.5%
  82. Little Greene

    1. Mandarin
      #e77843
      ΔE = 4.911 / LRV ≈ 30.8%
    2. Marigold
      #f0841f
      ΔE = 4.916 / LRV ≈ 35.1%
  83. Humbrol

    1. 18 Orange
      #f37521
      ΔE = 5.050 / LRV ≈ 31.9%
  84. KILZ

    1. Pom Pom Orange / C672
      #d48857
      ΔE = 5.115 / LRV ≈ 32.3%
  85. Ford

    1. Orange
      #e07b28
      ΔE = 5.131 / LRV ≈ 30.2%
    2. Suede
      #d87c3d
      ΔE = 5.209 / LRV ≈ 29.4%
  86. Nippon Paint

    1. Hubbard Squash / NP YO 1247 D
      #d3884e
      ΔE = 5.145 / LRV ≈ 32.0%
    2. Orange Originality / NP AC 2057 A
      #dc812e
      ΔE = 5.196 / LRV ≈ 31.1%
  87. Albany Paint

    1. Basket Weave
      #d48452
      ΔE = 5.201 / LRV ≈ 31.1%
  88. Audi

    1. Solar Orange / 3F3F, 3FPA, LY2G
      #f27719
      ΔE = 5.217 / LRV ≈ 32.1%
  89. Clark+Kensington

    1. Hokey Pokey / 10C-5
      #f09662
      ΔE = 5.221 / LRV ≈ 41.2%

Färgblindssimulering

Monochromacy

Dichromacy

Trichromacy

#ed8644 HTML & CSS Exempel

#ed8644 förgrund

Att försvara ett fel är att fela igen.

<p style="color: #ed8644">…</p>

#ed8644 bakgrund

Man måste lära sig krypa innan man kan gå.

<p style="background-color: #ed8644">…</p>

#ed8644 textskugga

Det viktigaste är inte att vinna, utan att kämpa väl.

<p style="text-shadow: 0.1em 0.1em 0.15em #ed8644">…</p>

Kompositionstabellers

Färgrymder

Decimal
15566404
Binär
11101101, 10000110, 01000100
Hexadecimal
#ed8644
LRV
≈ 35.5%
Närmast kort hex
#e84 ΔE = 0.725
RGB
rgb(237, 134, 68)
RGBA
rgba(237, 134, 68, 1.0)
rg-kromaticitet
r: 0.540, g: 0.305, b: 0.155
RYB
röd: 92.941%, gul: 69.134%, blå: 26.667%
Android / android.graphics.Color
-1210812 / 0xffed8644
HSL
hsl(23, 82%, 60%)
HSLA
hsla(23, 82%, 60%, 1.0)
HSV / HSB
kulörton: 23° (23.432), mättnad: 71% (0.713), ljusintensitet: 93% (0.929)
HSP
kulörton: 23.432, mättnad: 71.308%, uppfattad ljusstyrka: 65.458%
HSLuv (HUSL)
H: 31.270, S: 81.670, L: 66.118
Cubehelix
H: 18.127, S: 1.014, L: 0.618
TSL
T: 3.430, S: 0.280, L: 0.617
CMYK
cyan: 0% (0.000), magenta: 43% (0.435), gul: 71% (0.713), svart: 7% (0.071)
CMY
cyan: 7% (0.071), magenta: 47% (0.475), gul: 73% (0.733)
XYZ
X: 44.497, Y: 35.477, Z: 9.972
xyY
x: 0.495, y: 0.394, Y: 35.477
CIELab
L: 66.118, a: 34.283, b: 51.432
CIELuv
L: 66.118, u: 82.169, v: 49.901
CIELCH / LCHab
L: 66.118, C: 61.811, H: 56.314
CIELUV / LCHuv
L: 66.118, C: 96.135, H: 31.270
Hunter-Lab
L: 59.563, a: 29.118, b: 31.767
CIECAM02
J: 59.153, C: 54.747, h: 51.269, Q: 151.530, M: 47.875, s: 56.209, H: 41.289
OSA-UCS
ljusintensitet: -9.850, gul: 7.042, grön: -5.670
LMS
L: 46.229, M: 28.975, S: 10.423
YCbCr
Y: 151.109, Cb: 83.782, Cr: 177.903
YCoCg
Y: 143.250, Cg: -9.250, Co: 101.500
YDbDr
Y: 157.273, Db: -134.328, Dr: -151.621
YPbPr
Y: 151.187, Pb: -44.845, Pr: 54.536
xvYCC
Y: 145.843, Cb: 88.607, Cr: 175.906
YIQ
Y: 157.273, I: 82.562, Q: 1.245
YUV
Y: 157.273, U: -43.929, V: 69.946
Munsell färgsystem
2.5YR 7/12 ΔE = 4.032
Brandfärg
StackOverflow ΔE = 1.763

Slumpmässiga färger

Röd

Grön

Blå