Encycolorpedia

#c4e0f2十六進の色コード

#c4e0f2 Paint Chip十六進の色コード#c4e0f2シアン青色のとても明るい色合いです。光の三原色RGBにおいて色モデル#c4e0f2は76.86%の赤色、87.84%の绿色、94.9%の青色でできている。HSLで色彩空間#c4e0f2は203°度の色調、64%の彩度、86%の明るさを有している。この色は約482.84nmの波長である。

色のバリエーション

名前付き色

配色

ダウンロード:GIMP GPL Adobe ASE (Adobe Swatch Exchange) Sketch Palette

色彩勾配

#c4e0f2白まで

  1. #c4e0f2
  2. #a0b7c5
  3. #7e8f9a
  4. #5d6971
  5. #3f464b
  6. #222528
  7. #000000 / #000

塗料

類似の塗料

  1. Homebase

    1. ★ Sky
      #c8e1f2
      ΔE = 0.872 / LRV ≈ 72.5%
    2. ★ Sky
      #c8dfef
      ΔE = 1.196 / LRV ≈ 71.3%
  2. Kelly-Moore

    1. ★ Prairie Day / KM3130-1
      #c7e0f0
      ΔE = 0.878 / LRV ≈ 71.7%
    2. Breezy Blue / KM3099-1
      #cad8ed
      ΔE = 4.488 / LRV ≈ 67.8%
  3. Dunn-Edwards

    1. ★ Island View / 1370
      #c3ddee
      ΔE = 1.080 / LRV ≈ 69.5%
    2. Two Harbors / 1297
      #bed3e1
      ΔE = 4.651 / LRV ≈ 63.0%
  4. California Paints

    1. ★ DE 5848 - Island View
      #c3ddee
      ΔE = 1.080 / LRV ≈ 69.5%
    2. DE 5855 - Wild Blue Yonder
      #b3d9f3
      ΔE = 4.330 / LRV ≈ 65.7%
  5. TRUMATCH

    1. ★ 30-f1
      #c0e0f1
      ΔE = 1.186 / LRV ≈ 70.9%
    2. 31-f
      #cfe6f7
      ΔE = 2.683 / LRV ≈ 76.6%
  6. Berger

    1. ★ Prairie day / 7331
      #c8e0ef
      ΔE = 1.257 / LRV ≈ 71.8%
    2. Blooming Blue / 7346
      #bbd7e7
      ΔE = 3.345 / LRV ≈ 64.9%
  7. Vista Paint

    1. ★ Prairie Day
      #c8e0ef
      ΔE = 1.257 / LRV ≈ 71.8%
    2. Summer Sky
      #cbdbe7
      ΔE = 3.281 / LRV ≈ 69.1%
  8. Diamond Vogel

    1. ★ Empress Lila / 0636
      #c7deed
      ΔE = 1.438 / LRV ≈ 70.5%
    2. Fluid Blue / 0602
      #c7d6eb
      ΔE = 4.647 / LRV ≈ 66.2%
  9. PPG Pittsburgh Paints

    1. ★ Fond Farewell 151-2
      #c8e1ef
      ΔE = 1.575 / LRV ≈ 72.4%
    2. Seascape 153-3
      #b5dce9
      ΔE = 4.389 / LRV ≈ 66.9%
  10. Cloverdale Paint

    1. ★ Breezy Blue / 7250
      #c8ddee
      ΔE = 1.741 / LRV ≈ 70.2%
    2. Sail Away / 7298
      #b9d4e3
      ΔE = 4.428 / LRV ≈ 62.9%
  11. Rodda Paint

    1. ★ Breezy Blue 7250
      #c8ddee
      ΔE = 1.741 / LRV ≈ 70.2%
    2. Blue Dawn 7275
      #cbdcea
      ΔE = 2.745 / LRV ≈ 69.8%
  12. Plascon

    1. ★ Fluid White B2-B2-3
      #bcdcf0
      ΔE = 1.912 / LRV ≈ 68.2%
    2. Diamond Stud B3-A2-3
      #cce0f8
      ΔE = 3.582 / LRV ≈ 72.9%
  13. Natural Color System / NCS

    1. ★ S 0520-R90B
      #c4e2f9
      ΔE = 1.970 / LRV ≈ 73.0%
    2. S 1015-R90B
      #c2d5e6
      ΔE = 3.954 / LRV ≈ 64.8%
  14. Olympic

    1. ★ Blue Booties A52-2
      #c6deeb
      ΔE = 1.979 / LRV ≈ 70.2%
    2. ★ Cloud Nine B51-1
      #cde0ee
      ΔE = 2.281 / LRV ≈ 72.5%
  15. Asian Paints

    1. ★ Light Sky / 7331
      #c5dcea
      ΔE = 2.010 / LRV ≈ 69.0%
    2. Zephyr / 9195
      #d0e1ea
      ΔE = 3.779 / LRV ≈ 73.2%
  16. General Paint

    1. ★ Gulf / CL 2311W
      #c9dfec
      ΔE = 2.015 / LRV ≈ 71.2%
    2. Tropical Wind / CL 2281W
      #b4d7ec
      ΔE = 3.941 / LRV ≈ 64.4%
  17. Earthborn

    1. ★ Gingham
      #cce3f1
      ΔE = 2.080 / LRV ≈ 74.1%
  18. Johnstone's Paint

    1. ★ Blue Horizon
      #c2daeb
      ΔE = 2.095 / LRV ≈ 67.6%
  19. Tikkurila

    1. ★ G431
      #c8dceb
      ΔE = 2.131 / LRV ≈ 69.5%
    2. Y355
      #cfdfe9
      ΔE = 3.518 / LRV ≈ 71.9%
  20. Sto

    1. ★ 35107
      #cde0ef
      ΔE = 2.186 / LRV ≈ 72.5%
    2. 35106
      #bed7eb
      ΔE = 3.206 / LRV ≈ 65.5%
  21. Duron

    1. ★ Balmy
      #cde0ef
      ΔE = 2.186 / LRV ≈ 72.5%
    2. Byte Blue
      #cde9f4
      ΔE = 4.143 / LRV ≈ 77.8%
  22. RAL

    1. ★ RAL 180-3
      #c7dbeb
      ΔE = 2.252 / LRV ≈ 68.8%
    2. RAL 170-4
      #cedbec
      ΔE = 3.797 / LRV ≈ 69.8%
  23. Dulux

    1. ★ 89BG 70/116
      #c4dce9
      ΔE = 2.285 / LRV ≈ 68.8%
    2. 55BG 74/117
      #c5e4ec
      ΔE = 4.542 / LRV ≈ 73.4%
  24. Volkswagen

    1. ★ Arctic Blue
      #c6e6fb
      ΔE = 2.285 / LRV ≈ 75.6%
    2. Crystal Silver
      #c6d8e6
      ΔE = 3.315 / LRV ≈ 66.8%
  25. Kansai Paint

    1. Fresh Blue
      #bce2f8
      ΔE = 2.305 / LRV ≈ 71.9%
    2. Celestial
      #bdd9e5
      ΔE = 3.598 / LRV ≈ 66.1%
  26. Chrysler

    1. Diamond Blue
      #c8dbea
      ΔE = 2.456 / LRV ≈ 68.9%
    2. Halo Blue
      #b6d6eb
      ΔE = 3.941 / LRV ≈ 64.0%
  27. Sigma

    1. Cool Blue / S 1015-R90B
      #cae3ef
      ΔE = 2.533 / LRV ≈ 73.7%
    2. Cool Blue / S 0520-R80B
      #cee8fa
      ΔE = 2.994 / LRV ≈ 77.7%
  28. Laura Ashley

    1. 43-17 Fairy Tale Blue
      #c8dbe9
      ΔE = 2.558 / LRV ≈ 68.8%
    2. 1502 Pale Sapphire 2
      #c5d6e6
      ΔE = 3.855 / LRV ≈ 65.7%
  29. Nippon Paint

    1. Yours Truly / NP PB 1530 P
      #c4dce8
      ΔE = 2.616 / LRV ≈ 68.7%
    2. Lingering Blue / NP PB 1523 P
      #c3d9e6
      ΔE = 2.988 / LRV ≈ 66.9%
  30. Coronado Paint

    1. 7331 - Prairie Day
      #c2dde9
      ΔE = 2.631 / LRV ≈ 69.1%
    2. 7346 - Blooming Blue
      #b6d6e3
      ΔE = 4.688 / LRV ≈ 63.6%
  31. Pratt & Lambert

    1. Fidelity 26-3
      #c4dae7
      ΔE = 2.735 / LRV ≈ 67.6%
    2. Luminous Cloud 25-2
      #b9dfee
      ΔE = 3.153 / LRV ≈ 69.3%
  32. Benjamin Moore

    1. Jet Stream / 814
      #c1d8e9
      ΔE = 2.778 / LRV ≈ 66.3%
    2. Sheer Bliss / CSP-545
      #d1dee6
      ΔE = 4.407 / LRV ≈ 71.5%
  33. Focoltone

    1. 1039
      #bbe4f9
      ΔE = 2.870 / LRV ≈ 72.9%
    2. 4038
      #c8dae4
      ΔE = 3.675 / LRV ≈ 68.0%
  34. Dutch Boy

    1. Bloopers
      #bfd9e7
      ΔE = 2.878 / LRV ≈ 66.5%
    2. Cold Draft
      #c8d9e0
      ΔE = 4.795 / LRV ≈ 67.3%
  35. Tollens

    1. T2011-3
      #c8daec
      ΔE = 2.894 / LRV ≈ 68.5%
    2. T2177-4
      #c3d8e1
      ΔE = 4.326 / LRV ≈ 66.1%
  36. Crown Diamond

    1. 7328-21 Cobaltite
      #c4dce7
      ΔE = 2.973 / LRV ≈ 68.7%
    2. 7353-21 Joy
      #d0dce7
      ΔE = 4.051 / LRV ≈ 70.4%
  37. AMC

    1. Cameo Blue
      #c4d8e9
      ΔE = 2.991 / LRV ≈ 66.7%
    2. Silver
      #d2dee6
      ΔE = 4.549 / LRV ≈ 71.7%
  38. British Standard

    1. BS 4800 20 E 50 - Blue
      #bdd8ed
      ΔE = 2.996 / LRV ≈ 66.0%
  39. Pascol

    1. Whiting PZ4090
      #ccdee9
      ΔE = 3.007 / LRV ≈ 71.0%
    2. Icicles PZ1050
      #b2deec
      ΔE = 4.814 / LRV ≈ 67.8%
  40. CIL

    1. Fountain Mist
      #bfdfeb
      ΔE = 3.020 / LRV ≈ 69.8%
    2. Billowing Clouds
      #c4d4e1
      ΔE = 4.635 / LRV ≈ 64.3%
  41. Brighto Paints

    1. 8424 Torres Blue
      #bfd8ed
      ΔE = 3.025 / LRV ≈ 66.3%
    2. 9011 Lillac
      #c1d9f4
      ΔE = 4.395 / LRV ≈ 67.5%
  42. Brillux

    1. 63.12.06
      #c4e2ed
      ΔE = 3.092 / LRV ≈ 72.2%
    2. 63.06.06
      #cedbe5
      ΔE = 4.086 / LRV ≈ 69.4%
  43. Porter Paints

    1. Duck's Egg Blue / 250-2
      #ccdfe9
      ΔE = 3.196 / LRV ≈ 71.5%
    2. Goddess / 252-2
      #d0e1e8
      ΔE = 4.423 / LRV ≈ 73.1%
  44. Behr

    1. Bedtime EBC-1
      #bde1ee
      ΔE = 3.217 / LRV ≈ 70.8%
    2. Illumination NEKB-24
      #d3dfec
      ΔE = 3.907 / LRV ≈ 72.7%
  45. Scib Paints

    1. Summer Sky / 7299
      #cbdbe7
      ΔE = 3.281 / LRV ≈ 69.1%
    2. Precious Dew Drop / 7307
      #cbdae5
      ΔE = 3.722 / LRV ≈ 68.5%
  46. Graham & Brown

    1. Blue Sky Theory
      #c2daf2
      ΔE = 3.307 / LRV ≈ 68.0%
    2. Hundred
      #b8d8e3
      ΔE = 4.676 / LRV ≈ 64.8%
  47. Teknos

    1. GBI063
      #bae5f9
      ΔE = 3.336 / LRV ≈ 73.3%
    2. GBI033
      #ccecfa
      ΔE = 4.420 / LRV ≈ 79.7%
  48. New Look

    1. Fresh Chill / C18-07
      #b8dfee
      ΔE = 3.368 / LRV ≈ 69.1%
    2. Head in the Clouds / C18-04
      #b4d8e4
      ΔE = 5.007 / LRV ≈ 64.4%
  49. Colorhouse

    1. Sprout .03
      #ccdce7
      ΔE = 3.368 / LRV ≈ 69.8%
  50. Colortrend

    1. 0614
      #cadae6
      ΔE = 3.418 / LRV ≈ 68.4%
    2. 0657
      #c4e4ec
      ΔE = 4.643 / LRV ≈ 73.3%
  51. Levis

    1. Clear Blue C10
      #c7d8e6
      ΔE = 3.429 / LRV ≈ 67.0%
    2. Gentle Lavender
      #cfdbe5
      ΔE = 4.250 / LRV ≈ 69.6%
  52. Evonik-Degussa

    1. 6241P High Up
      #c5d8e4
      ΔE = 3.541 / LRV ≈ 66.6%
    2. 6211P Sedum Flower
      #c6d5e1
      ΔE = 4.564 / LRV ≈ 65.0%
  53. Taubmans

    1. Determination / T10 40A-2
      #c0d9e4
      ΔE = 3.642 / LRV ≈ 66.4%
    2. Kiss Of Blue / T63-3
      #bad3e2
      ΔE = 4.649 / LRV ≈ 62.5%
  54. Jotun

    1. 4326 / Fredfylt
      #ccdaeb
      ΔE = 3.650 / LRV ≈ 69.0%
  55. Pantone / PMS

    1. Pastel 9421
      #c8dae4
      ΔE = 3.675 / LRV ≈ 68.0%
    2. Pastel 9441
      #c3e1e8
      ΔE = 4.766 / LRV ≈ 71.3%
  56. Disney

    1. 3A-40-2 Bibbidi Bobbidi Blue
      #b8d6e9
      ΔE = 3.697 / LRV ≈ 64.2%
    2. 3A-60-1 Mickey Sailor
      #b8e1ef
      ΔE = 3.894 / LRV ≈ 70.3%
  57. Crown Paint

    1. Prospect Bay
      #c3d8e3
      ΔE = 3.734 / LRV ≈ 66.3%
    2. Aqua Light
      #c4dfe6
      ΔE = 4.539 / LRV ≈ 70.2%
  58. Sherwin-Williams

    1. Soar - 6799
      #c3dfe8
      ΔE = 3.761 / LRV ≈ 70.2%
    2. Atmospheric - 6505
      #c2dae0
      ΔE = 5.238 / LRV ≈ 67.0%
  59. Vallejo Game Color

    1. Wolf Grey (047)
      #cedee7
      ΔE = 3.778 / LRV ≈ 71.1%
  60. Old Citadel

    1. Space Wolves Grey
      #cedee7
      ΔE = 3.778 / LRV ≈ 71.1%
  61. Vallejo Model Color

    1. Pale Greyblue (907)
      #cedee7
      ΔE = 3.778 / LRV ≈ 71.1%
  62. Reaper Master

    1. Snow Shadow (9021)
      #cedee7
      ΔE = 3.778 / LRV ≈ 71.1%
  63. Peintures MF

    1. Fraîcheur glacée
      #c4d7e3
      ΔE = 3.790 / LRV ≈ 65.9%
    2. La Coste
      #b3d5ef
      ΔE = 5.062 / LRV ≈ 63.4%
  64. Alcro

    1. Pastell
      #bad6e5
      ΔE = 3.825 / LRV ≈ 64.2%
    2. Havsbris
      #d5e2ea
      ΔE = 4.648 / LRV ≈ 74.5%
  65. Ford

    1. Concorde Silver
      #c4d6e4
      ΔE = 3.838 / LRV ≈ 65.4%
    2. Stardust (Silver) Blue
      #c4d4e0
      ΔE = 4.746 / LRV ≈ 64.2%
  66. Nerolac

    1. Ashley - 2401
      #c9dde5
      ΔE = 3.939 / LRV ≈ 69.8%
    2. Aragon - 2380
      #c9d6de
      ΔE = 5.212 / LRV ≈ 65.8%
  67. Valspar Paint

    1. Woodlawn Blue Angel
      #b9dde9
      ΔE = 3.962 / LRV ≈ 67.9%
    2. New Day
      #d0dde5
      ΔE = 4.416 / LRV ≈ 70.8%
  68. Opaltone / OMS

    1. 6002
      #d3eaf9
      ΔE = 4.026 / LRV ≈ 79.5%
    2. 5248
      #cce2e8
      ΔE = 4.755 / LRV ≈ 73.1%
  69. ICI Paints

    1. Fountain Mist 70BG 70/131
      #badce7
      ΔE = 4.126 / LRV ≈ 67.4%
    2. Clerestory Blue 70BG 69/094
      #c1d9e0
      ΔE = 5.001 / LRV ≈ 66.3%
  70. Wattyl

    1. Simply Heaven / E20W
      #c8d9e2
      ΔE = 4.171 / LRV ≈ 67.4%
    2. Lacecap / E32W
      #b4d8e4
      ΔE = 5.007 / LRV ≈ 64.4%
  71. Caparol

    1. 87 3 205 / Aquamarin 50
      #bcd4e4
      ΔE = 4.176 / LRV ≈ 63.4%
    2. 92 4 185 / Spanisches Gruen 50
      #cce8f0
      ΔE = 4.870 / LRV ≈ 76.8%
  72. Resene

    1. Half Escape B85-023-223
      #badae5
      ΔE = 4.205 / LRV ≈ 66.2%
    2. Altitude B87-022-233
      #bcd4e2
      ΔE = 4.385 / LRV ≈ 63.3%
  73. Sikkens

    1. R0.10.82
      #c6e5ee
      ΔE = 4.234 / LRV ≈ 74.2%
    2. Q9.11.82
      #c3e5ed
      ΔE = 4.934 / LRV ≈ 73.8%
  74. Nature Paint

    1. Basking
      #d4e0ea
      ΔE = 4.254 / LRV ≈ 73.2%
    2. By-the-Wind Sailor
      #c1d3e6
      ΔE = 4.750 / LRV ≈ 63.6%
  75. Diamond Paint

    1. Reynolds Blue
      #c5ddf9
      ΔE = 4.299 / LRV ≈ 70.4%
  76. Designers Guild

    1. Ocean
      #b7d4e7
      ΔE = 4.329 / LRV ≈ 62.9%
    2. Morning Sky
      #d7e8fd
      ΔE = 4.930 / LRV ≈ 79.3%
  77. Earthpaint

    1. 2-34-2 Melody
      #c9dde4
      ΔE = 4.332 / LRV ≈ 69.7%
    2. 1-34-2 Star of Bethlehem
      #bbd7e0
      ΔE = 5.063 / LRV ≈ 64.5%
  78. Beckers

    1. Himmelsblå 742 / 1021-R94B
      #b7e1ee
      ΔE = 4.388 / LRV ≈ 70.1%
  79. KILZ

    1. Cascade Falls / D782
      #c1dae2
      ΔE = 4.510 / LRV ≈ 67.0%
    2. Blue Lustre / D791
      #ccdfe4
      ΔE = 5.084 / LRV ≈ 71.2%
  80. Glidden

    1. Dartmoor Mist / PPG1154-3
      #cddce3
      ΔE = 4.555 / LRV ≈ 69.7%
    2. Breakwater / PPG1152-2
      #d1dee4
      ΔE = 4.975 / LRV ≈ 71.4%
  81. Federal Standard

    1. Federal Standard 25550
      #d1dfe6
      ΔE = 4.582 / LRV ≈ 72.0%
    2. Federal Standard 35550
      #cedbe2
      ΔE = 4.787 / LRV ≈ 69.3%
  82. Jedynka

    1. Pd 1216
      #d5e7f0
      ΔE = 4.631 / LRV ≈ 77.6%
  83. GM / General Motors

    1. Temple Gray
      #c3d8e0
      ΔE = 4.661 / LRV ≈ 66.1%
    2. Gray
      #d6ddeb
      ΔE = 5.207 / LRV ≈ 72.0%
  84. Clark+Kensington

    1. Soothing Lavender / 39D-1
      #d1dae9
      ΔE = 4.761 / LRV ≈ 69.6%
    2. Shooting Star / 38B-1
      #d0dae2
      ΔE = 5.006 / LRV ≈ 69.0%
  85. Devoe Paint

    1. Windswept / 89BG 70/116
      #c8dce2
      ΔE = 4.815 / LRV ≈ 69.0%
  86. Bristol

    1. Cool Lilac / P111-C2
      #c3d7df
      ΔE = 4.840 / LRV ≈ 65.5%
    2. Windmill Blue / P108-C2
      #b9d1e3
      ΔE = 5.171 / LRV ≈ 61.5%
  87. Ralph Lauren

    1. Blue Mesa / RLVM285
      #ccd7e1
      ΔE = 4.895 / LRV ≈ 66.9%
  88. Martha Stewart Living

    1. Bluepoint C29
      #b6d5e1
      ΔE = 5.094 / LRV ≈ 63.0%
    2. Ice Water B26
      #cce1e6
      ΔE = 5.122 / LRV ≈ 72.4%
  89. Dupont

    1. CAS521
      #d4e4ea
      ΔE = 5.134 / LRV ≈ 75.4%
  90. Albany Paint

    1. Periwinkle
      #c2e0e6
      ΔE = 5.221 / LRV ≈ 70.5%
    2. Ripple
      #c9d4e1
      ΔE = 5.225 / LRV ≈ 64.9%

HTML&CSS例

#c4e0f2前景

蓼食う虫も好き好き。

<p style="color: #c4e0f2">…</p>

#c4e0f2背景

門前の小僧習わぬ経を読む。

<p style="background-color: #c4e0f2">…</p>

#c4e0f2テキストに影をつける

会者定離。

<p style="text-shadow: 0.1em 0.1em 0.15em #c4e0f2">…</p>

構成表

色空間変換

十進
12902642
二進法
11000100, 11100000, 11110010
十六進法
#c4e0f2
LRV
≈ 71.5%
最も近い短い16進数
#bde ΔE = 2.155
RGB
rgb(196, 224, 242)
RGBA
rgba(196, 224, 242, 1.0)
rg色度
r: 0.296, g: 0.338, b: 0.366
RYB
赤色: 76.863%, 黄色: 83.688%, 青色: 94.902%
Android/android.graphics.Color
-3874574/0xffc4e0f2
HSL
hsl(203, 64%, 86%)
HSLA
hsla(203, 64%, 86%, 1.0)
HSV/HSB
色相: 203° (203.478), 飽和: 19% (0.190), 値: 95% (0.949)
HSP
色相: 203.478, 飽和: 19.008%, 知覚される明るさ: 85.573%
HSLuv(HUSL)
H: 228.949, S: 62.028, L: 87.706
Cubehelix
H: -161.816, S: 0.520, L: 0.853
TSL
T: -2.006, S: 0.050, L: 0.854
CMYK
シアン色: 19% (0.190), マゼンタ色: 7% (0.074), 黄色: 0% (0.000), キー・プレート: 5% (0.051)
CMY
シアン色: 23% (0.231), マゼンタ色: 12% (0.122), 黄色: 5% (0.051)
XYZ
X: 65.443, Y: 71.456, Z: 94.332
xyY
x: 0.283, y: 0.309, Y: 71.456
Lab色空間
L: 87.706, a: -5.494, b: -11.858
CIELuv
L: 87.706, u: -15.425, v: -17.712
CIELCH/LCHab
L: 87.706, C: 13.068, H: 245.141
CIELUV/LCHuv
L: 87.706, C: 23.487, H: 228.949
Hunter-Lab
L: 84.532, a: -9.738, b: -6.991
CIECAM02
J: 82.641, C: 20.994, h: 232.308, Q: 179.106, M: 18.359, s: 32.016, H: 293.991
OSA-UCS
明度: -10.119, 黄色: -2.088, 緑色: 1.612
LMS
L: 63.335, M: 75.826, S: 93.934
YCbCr
Y: 202.984, Cb: 140.046, Cr: 114.430
YCoCg
Y: 221.500, Cg: 2.500, Co: 37.500
YDbDr
Y: 217.680, Db: 36.594, Dr: 41.230
YPbPr
Y: 219.332, Pb: 12.220, Pr: -14.828
xvYCC
Y: 204.367, Cb: 138.734, Cr: 114.975
YIQ
Y: 217.680, I: -22.463, Q: -0.320
YUV
Y: 217.680, U: 11.970, V: -19.020
マンセルカラーシステム
5PB 8/6 ΔE = 3.205
ブランドカラー
Vimeo ΔE = 11.783

ランダム色