Encycolorpedia

Natural Color System / NCS S 2005-R50B/#c8b8bd十六進の色コード

#c8b8bd Paint Chip十六進の色コード#c8b8bdピンク色の明るい色合いです。光の三原色RGBにおいて色モデル#c8b8bdは78.43%の赤色、72.16%の绿色、74.12%の青色でできている。HSLで色彩空間#c8b8bdは341°度の色調、13%の彩度、75%の明るさを有している。この色は約499.33nm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

単色

  1. #a49499
  2. #b0a0a5
  3. #bcacb1
  4. #c8b8bd
  5. #d4c4c9
  6. #e1d1d6
  7. #eedde2

色彩勾配

#c8b8bd黒まで

  1. #c8b8bd
  2. #d1c4c8
  3. #dacfd3
  4. #e3dbde
  5. #ece7e9
  6. #f6f3f4
  7. #ffffff / #fff

#c8b8bd白まで

  1. #c8b8bd
  2. #a3979b
  3. #80777a
  4. #5f585a
  5. #403b3c
  6. #222021
  7. #000000 / #000

塗料

マッチングペイント

類似の塗料

  1. Valspar Paint

    1. ★ Lavender Calm
      #c9b8be
      ΔE = 0.535 / LRV ≈ 50.4%
    2. Waiting Game R3C
      #b7b0b1
      ΔE = 4.893 / LRV ≈ 44.3%
  2. Opaltone / OMS

    1. ★ 4343
      #c6b8bd
      ΔE = 0.628 / LRV ≈ 50.0%
    2. 4337
      #c6b7c6
      ΔE = 4.641 / LRV ≈ 50.0%
  3. Benjamin Moore

    1. ★ Violetta / AF-615
      #c5b8bc
      ΔE = 1.000 / LRV ≈ 49.8%
    2. Iced Mauve / 2115-50
      #c5bcc1
      ΔE = 2.319 / LRV ≈ 51.7%
  4. Dulux Australia

    1. ★ Pink Polar / A45
      #ccbabf
      ΔE = 1.076 / LRV ≈ 51.7%
    2. Stately Frills / A432
      #c5bdc4
      ΔE = 3.044 / LRV ≈ 52.3%
  5. Flügger

    1. ★ Purple Pleasure (IN-762)
      #c6b9bf
      ΔE = 1.103 / LRV ≈ 50.5%
    2. Rokoko: Caput Mortuum + Zinkhvid (No.5)
      #cfb4b4
      ΔE = 4.340 / LRV ≈ 49.2%
  6. Sto

    1. ★ 33435
      #ccbbbf
      ΔE = 1.295 / LRV ≈ 52.1%
    2. 34123
      #bbb3bd
      ΔE = 4.367 / LRV ≈ 46.5%
  7. Brighto Paints

    1. ★ 5-48-3 Crepe De Chine
      #c7bbbf
      ΔE = 1.444 / LRV ≈ 51.4%
    2. 5-50-3 Woodisde
      #c8bab8
      ΔE = 3.438 / LRV ≈ 50.9%
  8. Dulux

    1. ★ Dusted Fondant / 30RR 49/067
      #c4b4b9
      ΔE = 1.463 / LRV ≈ 47.9%
    2. 81RR 51/067
      #c9b7b7
      ΔE = 2.569 / LRV ≈ 49.7%
  9. CIL

    1. ★ Soft Wine
      #c4b4b9
      ΔE = 1.463 / LRV ≈ 47.9%
    2. Restoration Rose
      #d6b7b9
      ΔE = 4.963 / LRV ≈ 51.7%
  10. Olympic

    1. ★ High Society D41-3
      #c7b6be
      ΔE = 1.513 / LRV ≈ 49.3%
    2. Ancestral D36-3
      #cdbfc0
      ΔE = 3.008 / LRV ≈ 54.0%
  11. Crown Paint

    1. ★ Gentle
      #c7b5b8
      ΔE = 1.550 / LRV ≈ 48.7%
    2. Cashmere
      #c3b1bb
      ΔE = 3.259 / LRV ≈ 46.6%
  12. Sherwin-Williams

    1. ★ Mauve Finery - 6282
      #cbb8c0
      ΔE = 1.594 / LRV ≈ 50.8%
    2. Studio Mauve - 0062
      #c6b9b8
      ΔE = 2.979 / LRV ≈ 50.2%
  13. Caparol

    1. ★ 77 6 30 / Korall 45
      #c8b4b8
      ΔE = 1.789 / LRV ≈ 48.4%
    2. 2005
      #ccb4c0
      ΔE = 3.820 / LRV ≈ 49.3%
  14. Crown Diamond

    1. ★ 7203-31 Gypsy Ballad
      #cbb8ba
      ΔE = 1.795 / LRV ≈ 50.5%
    2. 7204-31 Pink Dawn
      #d2b9bb
      ΔE = 3.362 / LRV ≈ 52.0%
  15. New Look

    1. ★ Two for Tea / F29-09
      #ccbdc0
      ΔE = 1.948 / LRV ≈ 53.0%
    2. Best Bloom / F29-05
      #cfbcc8
      ΔE = 3.725 / LRV ≈ 53.4%
  16. Natural Color System / NCS

    1. ★ S 2005-R60B
      #c8bdc2
      ΔE = 2.082 / LRV ≈ 52.6%
    2. S 2002-R50B
      #cdc0c0
      ΔE = 3.563 / LRV ≈ 54.5%
  17. ICI Paints

    1. ★ Suave Mauve 10RR 53/087
      #c8b5be
      ΔE = 2.101 / LRV ≈ 49.0%
    2. Misted Lilac 30RB 56/036
      #c1bec4
      ΔE = 4.346 / LRV ≈ 52.1%
  18. Resene

    1. ★ Kidman R80-012-017
      #ccb7b9
      ΔE = 2.199 / LRV ≈ 50.2%
    2. Cold Turkey R80-015-023
      #cab5b2
      ΔE = 4.348 / LRV ≈ 48.8%
  19. Bristol

    1. ★ Silver Berry / P100-C4
      #c3b9c0
      ΔE = 2.205 / LRV ≈ 50.1%
    2. High Society / P246-N4
      #d0b4b7
      ΔE = 3.899 / LRV ≈ 49.5%
  20. TRUMATCH

    1. ★ 1-g5
      #c2b9bc
      ΔE = 2.208 / LRV ≈ 49.8%
    2. 48-g5
      #c1b8bf
      ΔE = 2.545 / LRV ≈ 49.4%
  21. Opulence

    1. ★ Venetian Glamour
      #c0b5b8
      ΔE = 2.282 / LRV ≈ 47.7%
  22. Pratt & Lambert

    1. Mithras 31-31
      #cebec1
      ΔE = 2.339 / LRV ≈ 53.8%
    2. Grecian Rose 32-4
      #d5bbbc
      ΔE = 4.139 / LRV ≈ 53.3%
  23. GM / General Motors

    1. Light Antelope
      #c1b7b9
      ΔE = 2.350 / LRV ≈ 48.7%
    2. Dawn Gray
      #cabdc7
      ΔE = 3.134 / LRV ≈ 53.1%
  24. Plascon

    1. Lacy Oatmeal O2-E2-3
      #c8b8b8
      ΔE = 2.425 / LRV ≈ 50.0%
    2. Careless Whisper R7-D2-2
      #c4acb0
      ΔE = 4.549 / LRV ≈ 44.4%
  25. Nippon Paint

    1. Mountain Haze / NP N 1894 P
      #ceb8ba
      ΔE = 2.467 / LRV ≈ 50.9%
    2. Enticed / NP N 1929 P
      #cfc3c3
      ΔE = 4.393 / LRV ≈ 56.2%
  26. Taubmans

    1. Colosseum / T12 35.C10
      #d1bdc3
      ΔE = 2.493 / LRV ≈ 53.9%
    2. Star Twinkle / T12 35.C11
      #d4c2c7
      ΔE = 3.840 / LRV ≈ 56.7%
  27. Tikkurila

    1. H478
      #c7b6b6
      ΔE = 2.589 / LRV ≈ 49.0%
    2. 4887
      #c2bac2
      ΔE = 3.049 / LRV ≈ 50.5%
  28. Evonik-Degussa

    1. 4161P Mountain Haze
      #cbb6b7
      ΔE = 2.602 / LRV ≈ 49.6%
    2. 843
      #c1b8b4
      ΔE = 4.888 / LRV ≈ 48.9%
  29. Kelly-Moore

    1. Michelle / KM3756-2
      #cabfc4
      ΔE = 2.632 / LRV ≈ 53.8%
    2. Light Rosa / KM3748-2
      #cdb5c3
      ΔE = 4.497 / LRV ≈ 50.0%
  30. Rodda Paint

    1. Apple Blossom Time 8209
      #c0b7be
      ΔE = 2.644 / LRV ≈ 48.8%
    2. Shrub Rose 8713
      #d5b8be
      ΔE = 4.051 / LRV ≈ 52.1%
  31. Cloverdale Paint

    1. Apple Blossom Time / 8209
      #c0b7be
      ΔE = 2.644 / LRV ≈ 48.8%
    2. Andreas Anticipation / 8714
      #dabec3
      ΔE = 4.797 / LRV ≈ 55.7%
  32. Tollens

    1. Boudoir d'antan | EE183
      #c3bbbd
      ΔE = 2.659 / LRV ≈ 50.8%
    2. T2150-2
      #c8c4c8
      ΔE = 4.976 / LRV ≈ 55.9%
  33. General Paint

    1. Mollusc / CL 2523W
      #cabcbc
      ΔE = 2.702 / LRV ≈ 52.2%
    2. Singlet / CL 2542W
      #cebfc1
      ΔE = 2.790 / LRV ≈ 54.2%
  34. Scib Paints

    1. Romantic Light / 8217
      #beb5b9
      ΔE = 2.702 / LRV ≈ 47.5%
    2. Apple Blossom Time / 8209
      #c1b4bd
      ΔE = 2.740 / LRV ≈ 47.7%
  35. Berger

    1. Romantic Light / 8217
      #beb5b9
      ΔE = 2.702 / LRV ≈ 47.5%
    2. Apple Blossom Time / 8209
      #c1b4bd
      ΔE = 2.740 / LRV ≈ 47.7%
  36. Earthpaint

    1. 4-46-3 Ballade
      #c4b2bb
      ΔE = 2.704 / LRV ≈ 47.2%
    2. 4-44-2 Vintage Rose
      #ccc0c5
      ΔE = 2.861 / LRV ≈ 54.6%
  37. Little Greene

    1. Milk Thistle
      #c4b1b9
      ΔE = 2.740 / LRV ≈ 46.7%
    2. Far Atoll
      #cbbeca
      ΔE = 4.080 / LRV ≈ 53.8%
  38. Clark+Kensington

    1. Afternoon Drizzle / N-C28
      #ccc0c4
      ΔE = 2.847 / LRV ≈ 54.5%
    2. Ageless Melody / 01A-2
      #d2bfc7
      ΔE = 3.256 / LRV ≈ 55.1%
  39. Focoltone

    1. 1051
      #cbbac5
      ΔE = 2.915 / LRV ≈ 51.8%
    2. 1065
      #cab2c0
      ΔE = 4.691 / LRV ≈ 48.2%
  40. PPG Pittsburgh Paints

    1. Adger's Wharf Chs-4
      #cebdbd
      ΔE = 3.034 / LRV ≈ 53.2%
    2. Victorian Iris 442-4
      #bcb3c0
      ΔE = 5.067 / LRV ≈ 46.7%
  41. Earthborn

    1. Eiderdown
      #c7bebf
      ΔE = 3.078 / LRV ≈ 52.7%
  42. Colortrend

    1. Dawn Sky
      #c2b3b3
      ΔE = 3.163 / LRV ≈ 47.0%
    2. 1219
      #c7b1bb
      ΔE = 3.374 / LRV ≈ 47.2%
  43. Asian Paints

    1. Sensuous Lilac / 8217
      #bcb3b8
      ΔE = 3.215 / LRV ≈ 46.4%
    2. Pink Cruise / 9569
      #c7adb8
      ΔE = 4.914 / LRV ≈ 45.5%
  44. Chrysler

    1. Chinese Rose
      #c6b0b3
      ΔE = 3.296 / LRV ≈ 46.3%
  45. Diamond Vogel

    1. Desire / 1219
      #c7b1bb
      ΔE = 3.374 / LRV ≈ 47.2%
    2. Velvet Dawn / 1310
      #c1b3bf
      ΔE = 3.856 / LRV ≈ 47.3%
  46. Devoe Paint

    1. Soft Wine / 30RR 49/067
      #c7b4b3
      ΔE = 3.409 / LRV ≈ 48.0%
    2. Ballerina Slipper / 10RR 56/121
      #dbbdc3
      ΔE = 5.143 / LRV ≈ 55.4%
  47. Levis

    1. Diadeem
      #d3bfc1
      ΔE = 3.418 / LRV ≈ 55.0%
    2. Rozenbloesem
      #d6c0be
      ΔE = 5.080 / LRV ≈ 55.7%
  48. Zoffany

    1. Faded Rose
      #d1bcbc
      ΔE = 3.424 / LRV ≈ 53.2%
  49. 1829

    1. Mackintosh Mauve
      #cdc1c8
      ΔE = 3.428 / LRV ≈ 55.3%
  50. Nerolac

    1. Smoke Signal - 2871
      #bdb6b7
      ΔE = 3.486 / LRV ≈ 47.7%
    2. Simply Irresitable - 4522
      #cfc4c5
      ΔE = 4.491 / LRV ≈ 56.8%
  51. Coronado Paint

    1. 8210 - Pretty Princess
      #d0c2c6
      ΔE = 3.523 / LRV ≈ 56.1%
    2. 8202 - Pink Peace
      #d2bbc6
      ΔE = 3.712 / LRV ≈ 53.3%
  52. Brillux

    1. 39.09.12
      #d2bec8
      ΔE = 3.595 / LRV ≈ 54.7%
    2. 39.06.15
      #b6adb4
      ΔE = 5.201 / LRV ≈ 43.1%
  53. Ford

    1. Ascot Gray
      #bcb7bc
      ΔE = 3.632 / LRV ≈ 48.2%
    2. Silver
      #bebebe
      ΔE = 5.122 / LRV ≈ 51.5%
  54. Ralph Lauren

    1. Duchess Lilac / RLVM205
      #cac1c8
      ΔE = 3.717 / LRV ≈ 54.9%
    2. Temptation / RLVM204
      #c3aaaf
      ΔE = 5.190 / LRV ≈ 43.4%
  55. Duron

    1. Artistic Taupe
      #d2baba
      ΔE = 3.769 / LRV ≈ 52.4%
    2. Swanky Gray
      #c8c1c9
      ΔE = 4.237 / LRV ≈ 54.6%
  56. Glidden

    1. Hazy Grey / 30RR 46/018
      #bab4b7
      ΔE = 3.832 / LRV ≈ 46.5%
    2. Silver Bells / PPG1003-3
      #b8b4b6
      ΔE = 4.480 / LRV ≈ 46.2%
  57. Albany Paint

    1. Woolsack
      #bdb2bc
      ΔE = 3.895 / LRV ≈ 46.3%
    2. Seal
      #b9b9bb
      ΔE = 5.081 / LRV ≈ 48.6%
  58. Dutch Boy

    1. Ice Pop
      #ceb9c6
      ΔE = 3.895 / LRV ≈ 51.9%
    2. Vintage Vineyard
      #bcb1b1
      ΔE = 4.128 / LRV ≈ 45.3%
  59. Laura Ashley

    1. 45-22 Chartwell Stone
      #beb4b3
      ΔE = 3.914 / LRV ≈ 46.8%
    2. 1514 Spring Lilac
      #cac5cb
      ΔE = 5.234 / LRV ≈ 56.8%
  60. Australian Standard AS2700

    1. P33 Ribbon Pink
      #d1bcc8
      ΔE = 3.926 / LRV ≈ 53.7%
  61. KILZ

    1. Vintage Bouquet / A592
      #ceb8c5
      ΔE = 3.927 / LRV ≈ 51.4%
    2. Magic Mirror / G741
      #bdbbbd
      ΔE = 4.303 / LRV ≈ 50.0%
  62. Peintures MF

    1. Apaisant
      #d5bfc8
      ΔE = 3.944 / LRV ≈ 55.6%
    2. Semence de perle
      #d0bdb9
      ΔE = 4.854 / LRV ≈ 53.3%
  63. Sikkens

    1. A5.04.73
      #d5c1c3
      ΔE = 4.030 / LRV ≈ 56.2%
    2. A0.05.65
      #beabad
      ΔE = 4.947 / LRV ≈ 43.1%
  64. Beckers

    1. Akleja 692 / S 2005-R
      #cfc2c2
      ΔE = 4.110 / LRV ≈ 55.7%
    2. Ljuv 714 / 2305-Y91R
      #cfc2c0
      ΔE = 4.717 / LRV ≈ 55.7%
  65. Vista Paint

    1. Pashmina
      #bbb7b8
      ΔE = 4.110 / LRV ≈ 47.9%
    2. Pink Peace
      #d7bfcb
      ΔE = 5.028 / LRV ≈ 56.0%
  66. California Paints

    1. DE 6395 - Antique Mauve
      #bbb0b1
      ΔE = 4.146 / LRV ≈ 44.8%
    2. DE 6381 - Silver Bullet
      #b6b5b8
      ΔE = 5.202 / LRV ≈ 46.5%
  67. Pantone / PMS

    1. 5305
      #c7bfc9
      ΔE = 4.184 / LRV ≈ 53.6%
    2. 5235
      #d9c4c7
      ΔE = 5.061 / LRV ≈ 58.4%
  68. Dunn-Edwards

    1. Wafting Gray / 1525
      #cdbdba
      ΔE = 4.206 / LRV ≈ 52.9%
    2. Dangerous Robot / 1491
      #cbc5c6
      ΔE = 5.078 / LRV ≈ 56.7%
  69. Teknos

    1. PR330
      #c8bbb7
      ΔE = 4.484 / LRV ≈ 51.2%
  70. Behr

    1. Guardian Angel 25G2
      #c6b6b2
      ΔE = 4.491 / LRV ≈ 48.7%
    2. Rising Violet PPOC-61
      #cfbfcc
      ΔE = 4.581 / LRV ≈ 54.9%
  71. Colorhouse

    1. Air .07
      #cec4c5
      ΔE = 4.517 / LRV ≈ 56.6%
  72. Sanderson

    1. Dusty Lilac
      #cbc1bf
      ΔE = 4.562 / LRV ≈ 54.6%
  73. Sico

    1. 6040-31 Izmir Pink
      #ceb0b5
      ΔE = 4.616 / LRV ≈ 47.5%
    2. 6044-31 Impressionist Purple
      #c4aebb
      ΔE = 4.903 / LRV ≈ 45.6%
  74. Porter Paints

    1. Rose Stain / 536-4
      #d5b6ba
      ΔE = 4.648 / LRV ≈ 51.1%
    2. Ash Grove / 542-4
      #bab3bf
      ΔE = 5.188 / LRV ≈ 46.4%
  75. Jotun

    1. 4496 / Syrin
      #c2c0c4
      ΔE = 4.669 / LRV ≈ 53.2%
    2. 3037 / Fjær
      #c6c3c5
      ΔE = 4.925 / LRV ≈ 55.1%
  76. Sigma

    1. Warm Red / S 2010-R10B
      #d1c3c2
      ΔE = 4.696 / LRV ≈ 56.5%
    2. Warm Red / S 2010-R
      #d0c2bf
      ΔE = 5.084 / LRV ≈ 55.8%
  77. Johnstone's Paint

    1. Iced Petal
      #cdc2c0
      ΔE = 4.737 / LRV ≈ 55.4%
  78. Designers Guild

    1. Pebble
      #b7aeb3
      ΔE = 4.752 / LRV ≈ 43.6%
  79. Homebase

    1. Lady Grey
      #bbbabf
      ΔE = 4.775 / LRV ≈ 49.4%
  80. RAL

    1. RAL 320 80 05
      #cbc4cb
      ΔE = 4.807 / LRV ≈ 56.5%
    2. RAL 000 75 00
      #bababa
      ΔE = 5.113 / LRV ≈ 49.1%
  81. Fired Earth

    1. Key Chain
      #bfbebe
      ΔE = 4.888 / LRV ≈ 51.6%
  82. Toyo Ink

    1. CF10717
      #b6b2b7
      ΔE = 4.903 / LRV ≈ 45.2%
    2. CF10733
      #c8beba
      ΔE = 4.914 / LRV ≈ 52.7%
  83. Alcro

    1. Silke
      #c9bbb6
      ΔE = 4.934 / LRV ≈ 51.3%
  84. McCormick Paints

    1. Hyacinth Haze
      #c2b9c7
      ΔE = 4.940 / LRV ≈ 50.3%
  85. Marston & Langinger

    1. Wood Ash
      #bababc
      ΔE = 5.021 / LRV ≈ 49.2%
  86. Caran d'Ache

    1. 802 French Gray 10%
      #bdbdbe
      ΔE = 5.024 / LRV ≈ 50.9%
  87. Model Master

    1. Model Master 1420
      #c0bbb8
      ΔE = 5.030 / LRV ≈ 50.2%
  88. Dupont

    1. CAS786
      #d3c4c3
      ΔE = 5.035 / LRV ≈ 57.3%
  89. British Standard

    1. BS 4800 24 C 33 - Pale lilac / Mallow
      #d1c1ce
      ΔE = 5.045 / LRV ≈ 56.2%
  90. Federal Standard

    1. Federal Standard 36492
      #c2c0bf
      ΔE = 5.155 / LRV ≈ 52.9%

HTML&CSS例

#c8b8bd前景

猿も木から落ちる。

<p style="color: #c8b8bd">…</p>

#c8b8bd背景

馬鹿は死ななきゃ治らない。

<p style="background-color: #c8b8bd">…</p>

#c8b8bdテキストに影をつける

二兎を追う者は一兎をも得ず。

<p style="text-shadow: 0.1em 0.1em 0.15em #c8b8bd">…</p>

構成表

色空間変換

十進
13154493
二進法
11001000, 10111000, 10111101
十六進法
#c8b8bd
LRV
≈ 50.2%
最も近い短い16進数
#cbb ΔE = 2.681
RGB
rgb(200, 184, 189)
RGBA
rgba(200, 184, 189, 1.0)
rg色度
r: 0.349, g: 0.321, b: 0.330
RYB
赤色: 78.431%, 黄色: 72.157%, 青色: 74.118%
Android/android.graphics.Color
-3622723/0xffc8b8bd
HSL
hsl(341, 13%, 75%)
HSLA
hsla(341, 13%, 75%, 1.0)
HSV/HSB
色相: 341° (341.250), 飽和: 8% (0.080), 値: 78% (0.784)
HSP
色相: 341.250, 飽和: 8.000%, 知覚される明るさ: 74.309%
HSLuv(HUSL)
H: 348.386, S: 15.459, L: 76.213
Cubehelix
H: -28.295, S: 0.122, L: 0.743
TSL
T: 4.256, S: 0.027, L: 0.743
CMYK
シアン色: 0% (0.000), マゼンタ色: 8% (0.080), 黄色: 5% (0.055), キー・プレート: 22% (0.216)
CMY
シアン色: 22% (0.216), マゼンタ色: 28% (0.278), 黄色: 26% (0.259)
XYZ
X: 50.144, Y: 50.235, Z: 55.189
xyY
x: 0.322, y: 0.323, Y: 50.235
Lab色空間
L: 76.213, a: 6.543, b: -0.475
CIELuv
L: 76.213, u: 9.019, v: -1.854
CIELCH/LCHab
L: 76.213, C: 6.561, H: 355.850
CIELUV/LCHuv
L: 76.213, C: 9.207, H: 348.386
Hunter-Lab
L: 70.877, a: 2.252, b: 3.447
CIECAM02
J: 69.093, C: 6.889, h: 352.836, Q: 163.768, M: 6.024, s: 19.180, H: 373.790
OSA-UCS
明度: -10.092, 黄色: -0.314, 緑色: -0.769
LMS
L: 49.364, M: 50.329, S: 55.106
YCbCr
Y: 178.658, Cb: 127.827, Cr: 134.669
YCoCg
Y: 189.250, Cg: -5.250, Co: 52.750
YDbDr
Y: 189.354, Db: -0.535, Dr: -20.243
YPbPr
Y: 187.768, Pb: 0.660, Pr: 7.770
xvYCC
Y: 177.260, Cb: 128.580, Cr: 134.825
YIQ
Y: 189.354, I: 7.925, Q: 4.939
YUV
Y: 189.354, U: -0.172, V: 9.340
マンセルカラーシステム
10P 7/1 ΔE = 4.793
ブランドカラー
Heroku (light) ΔE = 11.567

ランダム色