Encycolorpedia

#f6f100 hexadecimale kleurcode

#f6f100 Paint ChipDe hexadecimale kleurcode #f6f100 is een tint van geel. In het RGB-kleurmodel bestaat #f6f100 uit 96.47% rood, 94.51% groen en 0% blauw. In de HSL-kleurruimte heeft #f6f100 een tint van 59° (graden), 100% verzadiging en 48% lichtheid. Deze kleur heeft een geschatte golflengte van 571.08 nm.

Kleurvariaties

Kleuren bij naam

Kleurenschema's

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

#f6f100 lineaire gradiënt naar complementaire kleur #00d4f6

  1. #f6f100
  2. #e5ec51
  3. #d2e778
  4. #bbe29a
  5. #9eddb9
  6. #75d8d8
  7. #00d4f6

Monochromatische kleuren

  1. #c4c400
  2. #d5d300
  3. #e5e200
  4. #f6f100
  5. #ffff28
  6. #ffff3e
  7. #ffff51

Kleurtonen

  1. #f6f100
  2. #e3dc36
  3. #cfc84c
  4. #bbb45c
  5. #a7a068
  6. #928d72
  7. #7b7b7b

Kleurtinten

#f6f100 naar wit

  1. #f6f100
  2. #fbf34f
  3. #fff578
  4. #fff79b
  5. #fffabd
  6. #fffcde
  7. #ffffff / #fff

#f6f100 naar zwart

  1. #f6f100
  2. #c9c414
  3. #9e9919
  4. #74711a
  5. #4e4a17
  6. #2a2711
  7. #000000 / #000

Verfkleuren

Vergelijkbare verf

  1. Ford

    1. ★ Bright Orange
      #f4f025
      ΔE = 1.028 / LRV ≈ 81.7%
    2. Sun Gold
      #ffee30
      ΔE = 2.432 / LRV ≈ 82.6%
  2. RAL

    1. ★ RAL 1018 / Zinc yellow
      #f8f32b
      ΔE = 1.233 / LRV ≈ 84.2%
    2. RAL 1016 / Sulfur yellow
      #edff21
      ΔE = 5.166 / LRV ≈ 89.6%
  3. Games Workshop - Citadel

    1. ★ Flash Gitz Yellow / Hexos Palesun / Dorn Yellow
      #fff200
      ΔE = 1.729 / LRV ≈ 84.8%
  4. Valspar Paint

    1. ★ Yellow Mustard
      #fff105
      ΔE = 1.753 / LRV ≈ 84.2%
    2. Gala Gold
      #ffe94e
      ΔE = 4.597 / LRV ≈ 80.1%
  5. Crayola

    1. ★ Neon Yellow
      #faed27
      ΔE = 1.833 / LRV ≈ 81.0%
    2. Brilliant Yellow
      #ffff00 / #ff0
      ΔE = 4.504 / LRV ≈ 92.8%
  6. Lascaux

    1. ★ Cadmium­ yellow light / 112
      #f8eb00
      ΔE = 2.047 / LRV ≈ 79.4%
    2. Hansa yellow / 111
      #ffe900
      ΔE = 3.405 / LRV ≈ 79.5%
  7. Focoltone

    1. ★ 3396
      #ffef2a
      ΔE = 2.143 / LRV ≈ 83.2%
    2. 3368
      #fff050
      ΔE = 3.547 / LRV ≈ 84.2%
  8. TRUMATCH

    1. ★ 12-b
      #ffef2a
      ΔE = 2.143 / LRV ≈ 83.2%
    2. 12-a
      #ffed00
      ΔE = 2.379 / LRV ≈ 81.8%
  9. Natural Color System / NCS

    1. ★ S 0560-G70Y
      #f0f234
      ΔE = 2.144 / LRV ≈ 82.3%
    2. S 0550-G80Y
      #fff54b
      ΔE = 3.244 / LRV ≈ 87.1%
  10. Volkswagen

    1. ★ Ginster Yellow
      #fff628
      ΔE = 2.233 / LRV ≈ 87.3%
    2. Saturn Yellow
      #fde522
      ΔE = 4.429 / LRV ≈ 77.0%
  11. GM / General Motors

    1. ★ Panama Yellow
      #fbed35
      ΔE = 2.296 / LRV ≈ 81.3%
    2. Bright Yellow
      #ffea17
      ΔE = 3.134 / LRV ≈ 80.2%
  12. Vallejo Model Color

    1. Lemon Yellow (952)
      #fff700
      ΔE = 2.353 / LRV ≈ 87.8%
    2. Flat Yellow (953)
      #ffe700
      ΔE = 3.980 / LRV ≈ 78.4%
  13. Old Citadel

    1. Bad Moon Yellow
      #fff700
      ΔE = 2.353 / LRV ≈ 87.8%
    2. Sunburst Yellow
      #ffe700
      ΔE = 3.980 / LRV ≈ 78.4%
  14. Reaper Master

    1. Clear Yellow (9095)
      #fff700
      ΔE = 2.353 / LRV ≈ 87.8%
    2. Sun Yellow (9008)
      #ffe700
      ΔE = 3.980 / LRV ≈ 78.4%
  15. Vallejo Game Color

    1. Bald Moon Yellow (005)
      #fff700
      ΔE = 2.353 / LRV ≈ 87.8%
    2. Sunblast Yellow (006)
      #ffe700
      ΔE = 3.980 / LRV ≈ 78.4%
  16. Alcro

    1. Pistill
      #ffef3f
      ΔE = 2.761 / LRV ≈ 83.4%
    2. Strutt
      #f3ee54
      ΔE = 3.819 / LRV ≈ 80.8%
  17. Opaltone / OMS

    1. 4006
      #fbec40
      ΔE = 2.948 / LRV ≈ 80.9%
    2. 4005
      #fcee66
      ΔE = 5.130 / LRV ≈ 82.8%
  18. Scania

    1. Beige / 1001
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  19. UMM

    1. Beige / 499
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  20. Bugatti

    1. Bugatti Giallo 108C / GAT11427
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  21. Color Truck System

    1. 1*048 / 1*048
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  22. Jaguar

    1. Barley Yellow / FCE
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  23. Renault

    1. Beige / 1116
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  24. Chrysler

    1. Bright Yellow
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
    2. Yellow
      #fee502
      ΔE = 4.469 / LRV ≈ 77.1%
  25. Ssangyong

    1. Special Yellow / YAB
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  26. Holden

    1. Absinth Yellow / 1D008
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  27. Rolls Royce

    1. Buttercup / 9520145
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  28. Mazda

    1. Almond Yellow / YV
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  29. Ferrari

    1. Giallo Modena / 229211
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  30. Hanomag

    1. Sonnengelb / 2032
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  31. Innocenti

    1. Panna / 126
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  32. Mercedes

    1. Abachigelb / 1203
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  33. Geely

    1. Kaiser Yellow / 318
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  34. Moskvitch

    1. Hellbeige / 108
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  35. Ski-Doo

    1. Cream Mat / 5812-92-08
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  36. Suzuki

    1. Alfred Yellow / 276
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  37. Borgward

    1. Jamaika Gelb / 136
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  38. Heinkel

    1. Saharagelb / 43
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  39. Wartburg

    1. Panamagelb / 106
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  40. Daihatsu

    1. Canyon Yellow / 136
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  41. Lamborghini

    1. Giallo Midas / F2003-0267
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  42. Lotus

    1. Safron Yellow / B106
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  43. Fiat

    1. Jaune / 84
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  44. Kenworth USA

    1. Dark Yellow / N0648
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  45. Trabant

    1. Sommergelb / 0250
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  46. Opel

    1. Adac Gelb / 644
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  47. Faw Xiali

    1. Lemon Yellow / 575
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  48. Kaessbohrer

    1. Gelb / 1148
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  49. UNKNOWN

    1. Malaguti Giallo Phantom
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  50. Wolseley

    1. Barley Yellow / FCE
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  51. Berliet

    1. Jaune Electron / B035
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  52. Dr

    1. Lemon Yellow Solid / EF
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  53. LDV

    1. Yellow / 02C
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  54. Dacia

    1. Gelb Verzul / 452
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  55. Tata

    1. Crescent Yellow / 159
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  56. Fisker

    1. Amarelo Interlagos / FI-488/B
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  57. Magirus

    1. Gelb / 11
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  58. Porsche

    1. Alabaster / 528
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  59. SMA

    1. Sheer Yellow / 310
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  60. Afnor

    1. Jaune Orange Vif / 1310
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  61. Talbot

    1. Beige Henares / 241
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  62. Isuzu

    1. Dandelion Yellow / 2091-P1
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  63. FSO

    1. Giallo Postiano / 208
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  64. Schmitz Cargobull

    1. Narzissengelb / RAL1007
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  65. Perodua

    1. Kenari Yellow / Y01
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  66. ARO

    1. Gris Beige / 100
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  67. Wanderer

    1. Sandgelb / 252
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  68. Maxitrans

    1. Absynth Yellow / GAF3007
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  69. Aston Martin

    1. Ferrari Yellow / R2839
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  70. Saviem

    1. Blanc Safran / 041
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  71. Honda

    1. Sunflower Yellow / 92938
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  72. Vauxhall

    1. Brilliant Yellow / 54L
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  73. Kavo

    1. Schwefelgelb Matt / 116
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  74. ZAZ

    1. Gelb / 225
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  75. HKS

    1. 2K
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  76. Fleet

    1. Boney Trans Yellow / GAF5285
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  77. Man

    1. Heliosgelb / 1905
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  78. Setra Evo

    1. Antik Kuerbisgelb / EVO 1102
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  79. Lada

    1. Beige / 266
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  80. Matra

    1. Jaune Tilleul / 506
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  81. TVR

    1. Speed Yellow / R2738
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  82. Volvo

    1. Bamboo Yellow / 91206
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  83. Studebaker

    1. Bamboo Yellow / 5924
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  84. MVS

    1. Jaune Sandha / 200079
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  85. Fleetmark

    1. Toll Yellow / GAF9620
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  86. Subaru

    1. Bub Yellow / 50
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  87. Goggomobil

    1. Canarigelb / 233
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  88. Iveco

    1. Amarillo / S-52/78197
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  89. International Harvister

    1. Bright Yellow / 4154
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  90. Maserati

    1. Nuovo Giallo Fly / 20Y490
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  91. Mahindra

    1. Yellow / 1100
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  92. Morgan

    1. Yellow / 13231
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  93. Mack

    1. Bright Yellow / P3308
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  94. Saab

    1. Gul / Y4
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  95. Zastava

    1. Orange Gelb / 4109
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  96. Liebherr

    1. Bambusgelb / VWLH1B
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  97. Daewoo

    1. Lemon Yellow / 54U
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  98. Seat

    1. Amarillo Zinc / 118
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  99. Willys

    1. Autumn Yellow / P5
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  100. Chang´an Suzuki

    1. Xingyun Yellow / EH
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  101. Hummer

    1. Yellow / WA5456
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  102. Mack Truck Australia

    1. Bp Yellow / 5S013
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  103. Proton

    1. Royal Yellow / Y78
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  104. Panther

    1. Yellow / GL11
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  105. BMW

    1. Arizona Sun Matt / 10069
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  106. BYD Auto

    1. Brazil Yellow / Y-01
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  107. Peugeot

    1. Beige / 1045
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  108. Alfa Romeo

    1. Avorio Indiano / 106
      #fce903
      ΔE = 3.039 / LRV ≈ 79.0%
  109. Tamiya

    1. Tamiya 85310, MS-10
      #f8e618
      ΔE = 3.684 / LRV ≈ 76.6%
    2. Tamiya 80008,X8
      #fde601
      ΔE = 4.059 / LRV ≈ 77.5%
  110. Resene

    1. Holiday G87-129-097
      #f5eb4f
      ΔE = 3.812 / LRV ≈ 79.4%
    2. Paris Daisy G92-140-093
      #fbeb50
      ΔE = 3.987 / LRV ≈ 80.5%
  111. Little Greene

    1. Trumpet
      #fbe601
      ΔE = 3.872 / LRV ≈ 77.1%
  112. Plascon

    1. Basket of Gold Y1-A1-1
      #fce83c
      ΔE = 3.875 / LRV ≈ 78.7%
    2. Lavish Lemon Y5-A1-1
      #fcfc50
      ΔE = 4.578 / LRV ≈ 90.9%
  113. Testors

    1. Testors 1112
      #fef359
      ΔE = 3.974 / LRV ≈ 85.9%
  114. Rackham

    1. Lahn Yellow (40)
      #ffe700
      ΔE = 3.980 / LRV ≈ 78.4%
  115. Caparol

    1. 5 / 5 Ginstergelb
      #fcfc4c
      ΔE = 4.409 / LRV ≈ 90.8%
    2. 67 / 67 Jasmingelb
      #fcfc5c
      ΔE = 5.180 / LRV ≈ 91.1%
  116. Humbrol

    1. 99 Lemon
      #f4e30d
      ΔE = 4.488 / LRV ≈ 74.2%
    2. Yellow
      #ffff00 / #ff0
      ΔE = 4.504 / LRV ≈ 92.8%
  117. Beckers

    1. Curry 622 / S 2060-Y
      #ebeb52
      ΔE = 4.639 / LRV ≈ 77.7%
    2. Raps 618 / S 0560-Y
      #fafa61
      ΔE = 5.151 / LRV ≈ 89.6%
  118. Toyo Ink

    1. CF10207
      #f0e43a
      ΔE = 4.679 / LRV ≈ 74.3%
    2. CF10201
      #f4e200
      ΔE = 4.803 / LRV ≈ 73.6%
  119. Caran d'Ache

    1. 810 Bismuth Yellow
      #f9e303
      ΔE = 4.688 / LRV ≈ 75.1%
  120. Vallejo

    1. Vallejo 70.952 #11
      #faf264
      ΔE = 4.708 / LRV ≈ 84.8%
  121. Flügger

    1. Happy Go Lucky (IN-781)
      #f5eb5e
      ΔE = 4.830 / LRV ≈ 79.6%
  122. California Paints

    1. DE 5404 - Highlighter
      #ffe536
      ΔE = 4.869 / LRV ≈ 77.6%
  123. Dunn-Edwards

    1. Highlighter / 2933
      #ffe536
      ΔE = 4.869 / LRV ≈ 77.6%
  124. Taubmans

    1. Hi-C Yellow / T08 2-4
      #ffe400
      ΔE = 4.880 / LRV ≈ 76.8%
  125. Pascol

    1. Sunny Boy PN020
      #fff365
      ΔE = 4.898 / LRV ≈ 86.3%
  126. Green Planet Paints

    1. Daffodil Yellow
      #ffff46
      ΔE = 4.991 / LRV ≈ 93.2%
  127. Pantone / PMS

    1. 809
      #e0e612
      ΔE = 5.112 / LRV ≈ 72.5%
    2. 106
      #f5e85c
      ΔE = 5.214 / LRV ≈ 77.9%
  128. Sigma

    1. Natural Green / S 0560-G80Y
      #f6e655
      ΔE = 5.232 / LRV ≈ 76.8%

Kleurenblindheid

Monochromacy

Dichromacy

Trichromacy

#f6f100 HTML & CSS voorbeelden

#f6f100 voorgrond

Gen haar zoo klein of het heeft ook zijn schaduw.

<p style="color: #f6f100">…</p>

#f6f100 achtergrond

De ratten verlaten het zinkende schip.

<p style="background-color: #f6f100">…</p>

#f6f100 tekst schaduw

Verdeel en heers.

<p style="text-shadow: 0.1em 0.1em 0.15em #f6f100">…</p>

Kleur samenstelling grafieken

Kleurruimte conversies

Decimaal
16183552
Binair
11110110, 11110001, 00000000
Hexadecimaal
#f6f100
LRV
≈ 82.5%
Kortste korte hex
#ee0 ΔE = 1.680
RGB
rgb(246, 241, 0)
RGBA
rgba(246, 241, 0, 1.0)
rg chromaticiteit
r: 0.505, g: 0.495, b: 0.000
RYB
rood: 2.001%, geel: 96.471%, blauw: 0.000%
Android / android.graphics.Color
-593664 / 0xfff6f100
HSL
hsl(59, 100%, 48%)
HSLA
hsla(59, 100%, 48%, 1.0)
HSV / HSB
tint: 59° (58.780), verzadiging: 100% (1.000), helderheid: 96% (0.965)
HSP
tint: 58.780, verzadiging: 100.000%, waargenomen helderheid: 89.587%
HSLuv (HUSL)
H: 83.953, S: 99.979, L: 92.798
Cubehelix
H: 55.973, S: 3.321, L: 0.847
TSL
T: 1.532, S: 0.316, L: 0.843
CMYK
cyaan: 0% (0.000), magenta: 2% (0.020), geel: 100% (1.000), key: 4% (0.035)
CMY
cyaan: 4% (0.035), magenta: 5% (0.055), geel: 100% (1.000)
XYZ
X: 69.464, Y: 82.506, Z: 12.266
xyY
x: 0.423, y: 0.502, Y: 82.506
CIELab
L: 92.798, a: -18.577, b: 90.989
CIELuv
L: 92.798, u: 10.764, v: 101.600
CIELCH / LCHab
L: 92.798, C: 92.866, H: 101.539
CIELUV / LCHuv
L: 92.798, C: 102.169, H: 83.953
Hunter-Lab
L: 90.833, a: -22.449, b: 55.576
CIECAM02
J: 89.925, C: 77.440, h: 104.428, Q: 186.831, M: 67.720, s: 60.205, H: 125.625
OSA-UCS
lichtheid: -9.735, geel: 12.166, groene: 3.169
LMS
L: 84.356, M: 91.253, S: 13.393
YCbCr
Y: 200.686, Cb: 21.461, Cr: 147.306
YCoCg
Y: 182.000, Cg: 59.000, Co: 123.000
YDbDr
Y: 215.021, Db: -323.503, Dr: -58.962
YPbPr
Y: 224.713, Pb: -121.075, Pr: 13.586
xvYCC
Y: 208.989, Cb: 21.644, Cr: 139.934
YIQ
Y: 215.021, I: 80.403, Q: -73.926
YUV
Y: 215.021, U: -105.809, V: 27.177
Munsell Kleursysteem
10Y 8,5/12 ΔE = 7.624
Merkkleur
Sprint ΔE = 5.804

Willekeurige kleuren

Rood

Groene

Blauw