Encycolorpedia

Tollens T2183-1 / #eaecda Barwy Hex

#eaecda Paint ChipSzesnastkowykod kolour #eaecda jest bardzo jasny odcieniem żółto-zielony. W kolorze RGB model #eaecda składa się z 91.76% czerwonego, 92.55% zielonego i 85.49% niebieskiego. W kolorze HSL przestrzeń #eaecda ma odcień 67° (stopni), 32% nasycenie i 89% jasność. Kolor ten ma przybliżoną długość fali 568.89 nm.

Odmiany Kolorów

Nazwane Kolory

Schematy Kolorów

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

Odcienie kolorów

#eaecda do czarnego

  1. #eaecda
  2. #bfc0b2
  3. #95968b
  4. #6e6f67
  5. #494944
  6. #272725
  7. #000000

Farba

Dopasowywanie farb

Podobne farby

  1. Colortrend

    1. ★ 0747
      #e9ebd9
      ΔE = 0.351 / LRV ≈ 81.8%
    2. 0404
      #e5e6d1
      ΔE = 2.409 / LRV ≈ 77.9%
  2. Brillux

    1. ★ 87.06.03
      #eaecd9
      ΔE = 0.364 / LRV ≈ 82.5%
    2. 06.12.01
      #f2eddb
      ΔE = 2.409 / LRV ≈ 84.6%
  3. Valspar Paint

    1. ★ Frayed Cotton L21EW43A
      #ebedda
      ΔE = 0.485 / LRV ≈ 83.3%
    2. Bleached Slate
      #f3f0de
      ΔE = 2.387 / LRV ≈ 86.6%
  4. Natural Color System / NCS

    1. ★ S 1005-G10Y
      #eaebda
      ΔE = 0.536 / LRV ≈ 82.0%
    2. ★ S 1005-G30Y
      #ecead4
      ΔE = 2.017 / LRV ≈ 81.4%
  5. Nippon Paint

    1. ★ Gardenia / NP OW 1077 P
      #e8ebda
      ΔE = 0.634 / LRV ≈ 81.6%
    2. Peaceful White / NP OW 1009 P
      #eee9d6
      ΔE = 2.343 / LRV ≈ 81.3%
  6. Dutch Boy

    1. ★ Man in the Moon
      #e9edda
      ΔE = 0.735 / LRV ≈ 83.0%
    2. Vermont Snow
      #e3e8db
      ΔE = 2.588 / LRV ≈ 79.2%
  7. General Paint

    1. ★ Icicle / CL 2011W
      #e8ecd9
      ΔE = 0.736 / LRV ≈ 82.2%
    2. ★ Stuffing / CL 1961W
      #eeebd5
      ΔE = 2.173 / LRV ≈ 82.4%
  8. Devoe Paint

    1. ★ Restful Retreat / 50GY 83/040
      #ebebda
      ΔE = 0.747 / LRV ≈ 82.1%
    2. Fencepost / 81YY 87/031
      #f4efdc
      ΔE = 2.746 / LRV ≈ 86.1%
  9. Glidden

    1. ★ Really Rain / PPG1115-1
      #e8ecdb
      ΔE = 0.758 / LRV ≈ 82.3%
    2. Combed Cotton / PPG1205-1
      #f4f0de
      ΔE = 2.665 / LRV ≈ 86.8%
  10. PPG Pittsburgh Paints

    1. ★ Really Rain / PPG1115-1
      #e8ecdb
      ΔE = 0.758 / LRV ≈ 82.3%
    2. Combed Cotton / PPG1205-1
      #f4f0de
      ΔE = 2.665 / LRV ≈ 86.8%
  11. Levis

    1. ★ Shady Green A30
      #e9ead7
      ΔE = 0.819 / LRV ≈ 81.1%
    2. ★ Shady Green A20
      #f0f0e0
      ΔE = 1.865 / LRV ≈ 86.2%
  12. RAL

    1. ★ RAL 9002 / Grey white
      #e7ebda
      ΔE = 0.885 / LRV ≈ 81.5%
  13. Homebase

    1. ★ Apple Crush
      #eceddd
      ΔE = 0.918 / LRV ≈ 83.6%
    2. ★ Putty
      #f0ecd9
      ΔE = 2.003 / LRV ≈ 83.5%
  14. Crown Diamond

    1. ★ 7303-11 Whiz Kid
      #e9eedc
      ΔE = 1.063 / LRV ≈ 83.6%
    2. 7268-11 Foamy Water
      #f3f0e0
      ΔE = 2.533 / LRV ≈ 86.8%
  15. Green Planet Paints

    1. ★ Crinoline
      #ebecd7
      ΔE = 1.143 / LRV ≈ 82.6%
  16. Evonik-Degussa

    1. ★ OW19 1P Peaceful White
      #eeeddc
      ΔE = 1.183 / LRV ≈ 83.9%
    2. 222
      #ece7d8
      ΔE = 2.762 / LRV ≈ 79.9%
  17. Vista Paint

    1. ★ New Green
      #ecefdb
      ΔE = 1.204 / LRV ≈ 84.7%
    2. ★ Windswept Sails
      #f0edda
      ΔE = 1.785 / LRV ≈ 84.2%
  18. Berger

    1. ★ New Green / 7724
      #ecefdb
      ΔE = 1.204 / LRV ≈ 84.7%
    2. ★ Windswept sails / 7852
      #f0edda
      ΔE = 1.785 / LRV ≈ 84.2%
  19. Scib Paints

    1. ★ New Green / 7724
      #ecefdb
      ΔE = 1.204 / LRV ≈ 84.7%
    2. ★ Windswept sails / 7852
      #f0edda
      ΔE = 1.785 / LRV ≈ 84.2%
  20. GM / General Motors

    1. ★ Cabot Gray
      #e6ebd7
      ΔE = 1.324 / LRV ≈ 81.1%
    2. ★ White
      #e6e8da
      ΔE = 1.945 / LRV ≈ 79.6%
  21. Porter Paints

    1. ★ Lime Meringue / 209-1
      #e6ebd7
      ΔE = 1.324 / LRV ≈ 81.1%
    2. Milkweed / 309-1
      #e3e8da
      ΔE = 2.350 / LRV ≈ 79.1%
  22. Olympic

    1. ★ Lime Meringue B68-1
      #e7e9d5
      ΔE = 1.326 / LRV ≈ 80.1%
    2. ★ Turban Shell A16-1
      #f1eedf
      ΔE = 2.252 / LRV ≈ 85.2%
  23. Sigma

    1. ★ Natural Green / S 1005-G60Y
      #eaefde
      ΔE = 1.345 / LRV ≈ 84.5%
    2. ★ Yellow Ocre / S 1005-G90Y
      #eeeed9
      ΔE = 1.486 / LRV ≈ 84.3%
  24. Crown Paint

    1. ★ Apple Mist
      #e7e8d6
      ΔE = 1.367 / LRV ≈ 79.6%
    2. Chalk Board
      #eaebe0
      ΔE = 2.551 / LRV ≈ 82.3%
  25. Sico

    1. ★ 6140-11 Spider Silk
      #efefde
      ΔE = 1.425 / LRV ≈ 85.4%
    2. 6143-11 Foamy Water
      #f3f0e0
      ΔE = 2.533 / LRV ≈ 86.8%
  26. Resene

    1. ★ Lime White G94-017-109
      #eaecd6
      ΔE = 1.454 / LRV ≈ 82.3%
    2. Half Secrets G88-011-105
      #e6e4d5
      ΔE = 2.950 / LRV ≈ 77.1%
  27. ICI Paints

    1. ★ Inverness 10GY 83/075
      #e6e8d5
      ΔE = 1.478 / LRV ≈ 79.3%
    2. ★ Linwood Beach 71YY 87/078
      #f2eedb
      ΔE = 2.254 / LRV ≈ 85.1%
  28. Marston & Langinger

    1. ★ Palladian
      #eaebdd
      ΔE = 1.484 / LRV ≈ 82.1%
    2. English Plaster
      #ece9dc
      ΔE = 2.481 / LRV ≈ 81.3%
  29. Zoffany

    1. ★ Mist
      #e9e8d6
      ΔE = 1.522 / LRV ≈ 79.9%
    2. ★ Quarter Harbour Grey
      #efecd8
      ΔE = 1.792 / LRV ≈ 83.3%
  30. Color Truck Guide

    1. ★ Ce-Sa008.04
      #e9e8d6
      ΔE = 1.522 / LRV ≈ 79.9%
    2. Ce-Sa004.02
      #e5e5d3
      ΔE = 2.398 / LRV ≈ 77.4%
  31. Brighto Paints

    1. ★ 9071 Lavender White
      #e8eadc
      ΔE = 1.568 / LRV ≈ 81.2%
    2. ★ 5-17-2 Pale Mist
      #e7e9d2
      ΔE = 2.174 / LRV ≈ 79.9%
  32. Crayola

    1. ★ Pearl White
      #eeebd9
      ΔE = 1.603 / LRV ≈ 82.6%
  33. Dunn-Edwards

    1. ★ Green Tea / 2115
      #e8e8d4
      ΔE = 1.638 / LRV ≈ 79.6%
    2. Garden Pebble / 2013
      #e4e4d5
      ΔE = 2.865 / LRV ≈ 76.8%
  34. California Paints

    1. ★ DEW 355 - Tea Green
      #e8e8d4
      ΔE = 1.638 / LRV ≈ 79.6%
    2. DE 6247 - Garden Pebble
      #e4e4d5
      ΔE = 2.865 / LRV ≈ 76.8%
  35. Teknos

    1. ★ GBI005
      #edebd6
      ΔE = 1.698 / LRV ≈ 82.3%
  36. Peintures MF

    1. ★ Fortuna
      #e7e7d5
      ΔE = 1.729 / LRV ≈ 78.9%
    2. Jasper
      #e1e7da
      ΔE = 2.996 / LRV ≈ 78.2%
  37. Colorhouse

    1. ★ Imagine .04
      #f0eddb
      ΔE = 1.757 / LRV ≈ 84.2%
    2. Bisque .02
      #f0eee2
      ΔE = 2.770 / LRV ≈ 85.2%
  38. Pratt & Lambert

    1. ★ Seaspray 20-32
      #e6eadc
      ΔE = 1.784 / LRV ≈ 80.8%
    2. Aery 22-32
      #e4ecdf
      ΔE = 2.766 / LRV ≈ 81.8%
  39. Beckers

    1. ★ Parmesan 588 / S 0907-Y10R
      #eae8d8
      ΔE = 1.802 / LRV ≈ 80.2%
    2. ★ Pinjenöt 589 / S 0906-Y10R
      #e9e8da
      ΔE = 2.029 / LRV ≈ 80.1%
  40. Clark+Kensington

    1. ★ Flirtation / 2036
      #e8e7d6
      ΔE = 1.817 / LRV ≈ 79.2%
    2. ★ Vintage Bazaar / 26B-1
      #e5e6d5
      ΔE = 2.060 / LRV ≈ 78.1%
  41. Focoltone

    1. ★ 4022
      #eeeddf
      ΔE = 1.854 / LRV ≈ 84.1%
  42. Magnolia Home

    1. ★ Panna Cotta / JG-111
      #ecefe1
      ΔE = 1.855 / LRV ≈ 85.0%
    2. ★ Pearly Cotton / JG-33
      #efebdb
      ΔE = 2.065 / LRV ≈ 82.9%
  43. Kelly-Moore

    1. ★ Gardener's Delight / KM3345-1
      #e3e9d6
      ΔE = 1.892 / LRV ≈ 79.5%
    2. Nature's Palette / KM3338-1
      #e2ebd8
      ΔE = 2.377 / LRV ≈ 80.5%
  44. CIL

    1. ★ Fresh Cut
      #e5edda
      ΔE = 1.901 / LRV ≈ 82.3%
    2. Boudoir
      #e5ecdf
      ΔE = 2.526 / LRV ≈ 82.0%
  45. Coronado Paint

    1. ★ 8388 - Spinney Mountain
      #e5e9db
      ΔE = 1.956 / LRV ≈ 80.1%
    2. 7692 - Gardeners Delight
      #e2e5d0
      ΔE = 2.852 / LRV ≈ 76.8%
  46. Chrysler

    1. ★ Warm White
      #efebd8
      ΔE = 1.960 / LRV ≈ 82.7%
    2. White
      #f0ecde
      ΔE = 2.482 / LRV ≈ 83.8%
  47. Dulux Australia

    1. ★ White Swan / W3
      #efebda
      ΔE = 1.964 / LRV ≈ 82.8%
    2. Stowe White / B24
      #ece7d9
      ΔE = 2.920 / LRV ≈ 80.0%
  48. Asian Paints

    1. ★ Tapestry / 0972
      #e3e9d5
      ΔE = 2.000 / LRV ≈ 79.4%
  49. Sherwin-Williams

    1. ★ Enlightened Lime - 6721
      #e3ead6
      ΔE = 2.037 / LRV ≈ 80.0%
    2. Minted - 6735
      #e0ead8
      ΔE = 2.823 / LRV ≈ 79.7%
  50. Cloverdale Paint

    1. ★ Natures Palette / 7683
      #e5edd8
      ΔE = 2.123 / LRV ≈ 82.2%
    2. Hyde Park / 8420
      #e2e4d0
      ΔE = 2.961 / LRV ≈ 76.2%
  51. Rodda Paint

    1. ★ Natures Palette 7683
      #e5edd8
      ΔE = 2.123 / LRV ≈ 82.2%
    2. Hyde Park 8420
      #e2e4d0
      ΔE = 2.961 / LRV ≈ 76.2%
  52. Benjamin Moore

    1. ★ Green Essence / 853
      #e4edda
      ΔE = 2.208 / LRV ≈ 82.1%
    2. Sleeping Angel / 854
      #e2ecd6
      ΔE = 2.892 / LRV ≈ 81.0%
  53. Behr

    1. ★ Brook Willow C60-20
      #e3e6d5
      ΔE = 2.210 / LRV ≈ 77.7%
    2. 440E-1 Relaxing Green
      #e0e9da
      ΔE = 2.950 / LRV ≈ 79.2%
  54. Laura Ashley

    1. ★ 40-5 Slightly Mint
      #ebebdf
      ΔE = 2.252 / LRV ≈ 82.4%
    2. 40-6 Pottery White
      #eeece0
      ΔE = 2.558 / LRV ≈ 83.6%
  55. McCormick Paints

    1. ★ 101 Amber White
      #eaebd3
      ΔE = 2.253 / LRV ≈ 81.6%
    2. 119 Newport
      #ebebe0
      ΔE = 2.602 / LRV ≈ 82.5%
  56. Audi

    1. ★ Champagne Perlmuteffekt / 9005, D4, LOB9
      #efead8
      ΔE = 2.255 / LRV ≈ 82.2%
    2. Magnolia Pearl / LOB9
      #efe9d7
      ΔE = 2.611 / LRV ≈ 81.5%
  57. Martha Stewart Living

    1. ★ Sugar White H25
      #ede9da
      ΔE = 2.278 / LRV ≈ 81.3%
    2. Ironston White H31
      #e9e8dd
      ΔE = 2.876 / LRV ≈ 80.3%
  58. Albany Paint

    1. ★ Amblecote
      #efead9
      ΔE = 2.285 / LRV ≈ 82.2%
    2. Stone Cross
      #efe9d6
      ΔE = 2.637 / LRV ≈ 81.5%
  59. Designers Guild

    1. ★ Lichen
      #eaeade
      ΔE = 2.285 / LRV ≈ 81.6%
    2. Limestone
      #f2eedf
      ΔE = 2.533 / LRV ≈ 85.4%
  60. AMC

    1. Glacier White
      #e7e6d7
      ΔE = 2.304 / LRV ≈ 78.5%
  61. Farrow & Ball

    1. Pavilion Blue / 252
      #ebebd3
      ΔE = 2.312 / LRV ≈ 81.8%
    2. Strong White / 2001
      #f0eee1
      ΔE = 2.484 / LRV ≈ 85.1%
  62. Bristol

    1. Green Chiffon / P147-C1
      #e5e7d1
      ΔE = 2.369 / LRV ≈ 78.4%
    2. Sea Pearl / P216-N1
      #e1e7d4
      ΔE = 2.453 / LRV ≈ 77.9%
  63. Sanderson

    1. Grey Birch Lt
      #e9e9dd
      ΔE = 2.371 / LRV ≈ 80.8%
    2. Boulder White
      #f2f0e1
      ΔE = 2.440 / LRV ≈ 86.6%
  64. Dulux

    1. 30GY 83/107
      #e4ecd6
      ΔE = 2.373 / LRV ≈ 81.3%
    2. Japanese Maze 6
      #e3ebdd
      ΔE = 2.582 / LRV ≈ 81.0%
  65. Diamond Vogel

    1. Translucent Vision / 0404
      #e5e6d1
      ΔE = 2.409 / LRV ≈ 77.9%
    2. Just About Green / 0740
      #e1e6d4
      ΔE = 2.519 / LRV ≈ 77.4%
  66. Kansai Paint

    1. Ash White
      #e6e6d8
      ΔE = 2.424 / LRV ≈ 78.4%
    2. Ash White
      #e4e4d5
      ΔE = 2.865 / LRV ≈ 76.8%
  67. Dupont

    1. CAS984
      #edeadd
      ΔE = 2.428 / LRV ≈ 82.1%
  68. Taubmans

    1. Sea Pearl / T12 50.A12
      #e1e7d4
      ΔE = 2.453 / LRV ≈ 77.9%
    2. Tip Top / T12 50.A10
      #e0e6d6
      ΔE = 2.791 / LRV ≈ 77.3%
  69. Ralph Lauren

    1. Riviera Terrace / RLWW211
      #f0ecde
      ΔE = 2.482 / LRV ≈ 83.8%
    2. Victorian Lace / RLVM2100
      #e9e5d5
      ΔE = 2.842 / LRV ≈ 78.2%
  70. Tollens

    1. T2180-2
      #e9ebe0
      ΔE = 2.550 / LRV ≈ 82.1%
    2. T2182-4
      #e6e4d3
      ΔE = 2.818 / LRV ≈ 77.0%
  71. TRUMATCH

    1. 13-g2
      #e9e8dc
      ΔE = 2.573 / LRV ≈ 80.2%
  72. Sto

    1. 36208
      #e2ecda
      ΔE = 2.576 / LRV ≈ 81.2%
    2. 36215
      #e1e6d6
      ΔE = 2.589 / LRV ≈ 77.5%
  73. Alcro

    1. Gotland
      #e6e6d9
      ΔE = 2.637 / LRV ≈ 78.4%
    2. Marang
      #ebece2
      ΔE = 2.925 / LRV ≈ 83.1%
  74. Little Greene

    1. French Grey Pale
      #e7e7db
      ΔE = 2.675 / LRV ≈ 79.3%
    2. Mirror
      #e5e4d0
      ΔE = 2.912 / LRV ≈ 76.7%
  75. Opaltone / OMS

    1. 5008
      #e1ebd8
      ΔE = 2.686 / LRV ≈ 80.4%
  76. Nature Paint

    1. Wood White
      #f1ebdb
      ΔE = 2.700 / LRV ≈ 83.2%
    2. Dog’s Mercury
      #e4e6da
      ΔE = 2.922 / LRV ≈ 78.1%
  77. Caparol

    1. 88 6 100 / Tundra 25
      #e4e8dc
      ΔE = 2.702 / LRV ≈ 79.4%
    2. 16/16
      #e4e4d4
      ΔE = 2.776 / LRV ≈ 76.7%
  78. Tikkurila

    1. G448
      #e4e5d7
      ΔE = 2.711 / LRV ≈ 77.4%
    2. G384
      #e0e7d7
      ΔE = 2.738 / LRV ≈ 77.9%
  79. Sikkens

    1. G8.06.85
      #e8e5d1
      ΔE = 2.778 / LRV ≈ 77.8%
    2. J0.05.85
      #e2e4d2
      ΔE = 2.813 / LRV ≈ 76.3%
  80. Pantone / PMS

    1. 12-5404 TPG
      #e2e6d9
      ΔE = 2.892 / LRV ≈ 77.8%
    2. 12-5404 TCX
      #e0e6d7
      ΔE = 2.898 / LRV ≈ 77.3%
  81. Jotun

    1. 8395 / Hvit Komfort
      #ebe9de
      ΔE = 2.893 / LRV ≈ 81.2%
    2. 0486 / Silke
      #eae7db
      ΔE = 2.969 / LRV ≈ 79.8%
  82. Earthpaint

    1. 3-20-2 Eternal Bliss
      #e0e7d2
      ΔE = 2.894 / LRV ≈ 77.7%
    2. 4-23-1 Summer Lullaby
      #dfe8d5
      ΔE = 2.944 / LRV ≈ 78.2%
  83. Duron

    1. White Willow
      #eaf3e0
      ΔE = 2.905 / LRV ≈ 87.0%
    2. Enlightened Lime
      #e5f0df
      ΔE = 2.966 / LRV ≈ 84.3%
  84. British Standard

    1. BS 4800 12 B 15 - Sea foam / Seafoam
      #e5e4d0
      ΔE = 2.912 / LRV ≈ 76.7%
  85. Volkswagen

    1. Cloud White
      #ebe6d7
      ΔE = 2.927 / LRV ≈ 79.2%
  86. Flügger

    1. Kridt (U-785)
      #f3ecda
      ΔE = 2.968 / LRV ≈ 84.1%
  87. KILZ

    1. Shea Butter / J631
      #eae5d4
      ΔE = 2.975 / LRV ≈ 78.3%

#eaecda HTML & CSS Przykłady

#eaecda pierwszoplanowy

Lepszy wróbel w garści niż gołąb na dachu.

<p style="color: #eaecda">…</p>

#eaecda tło

Kwiat bez zapachu, jak człowiek bez duszy.

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

#eaecda cień tekstu

Gdyby kózka nie skakała, to by smutne życie miała.

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

Wykresy Kompozycji

Przestrzenie kolorów

Dziesiątkowy
15396058
Dwójkowy
11101010, 11101100, 11011010
Hexadecimal
#eaecda
LRV
≈ 82.5%
Najbliższy krótki kolor szesnastkowy
#eed ΔE = 1.143
RGB
rgb(234, 236, 218)
RGBA
rgba(234, 236, 218, 1.0)
rg chromatyczności
r: 0.340, g: 0.343, b: 0.317
RYB
czerwony: 0.855%, żółty: 0.925%, niebieski: 0.863%
Android / android.graphics.Color
-1381158 / 0xffeaecda
HSL
hsl(67, 32%, 89%)
HSLA
hsla(67, 32%, 89%, 1.0)
HSV / HSB
barwa: 67° (66.667), nasycenie: 8% (0.076), wartość: 93% (0.925)
HSP
barwa: 66.667, nasycenie: 7.627%, postrzegana jasność: 91.536%
HSLuv (HUSL)
H: 90.708, S: 13.041, L: 92.815
Cubehelix
H: -297.610, S: 0.396, L: 0.915
TSL
T: 1.209, S: 0.016, L: 0.915
CMYK
cyjan: 1% (0.008), magenta: 0% (0.000), żółty: 8% (0.076), czarna: 7% (0.075)
CMY
cyjan: 8% (0.082), magenta: 7% (0.075), żółty: 15% (0.145)
XYZ
X: 76.580, Y: 82.546, Z: 78.215
xyY
x: 0.323, y: 0.348, Y: 82.546
CIELab
L: 92.815, a: -3.770, b: 8.494
CIELuv
L: 92.815, u: -0.166, v: 13.446
CIELCH / LCHab
L: 92.815, C: 9.293, H: 113.934
CIELUV / LCHuv
L: 92.815, C: 13.447, H: 90.708
Hunter-Lab
L: 90.855, a: -8.540, b: 12.557
CIECAM02
J: 90.076, C: 8.326, h: 114.600, Q: 186.988, M: 7.281, s: 19.733, H: 141.445
OSA-UCS
lekkość: -10.046, żółty: 1.211, zielony: 0.742
LMS
L: 78.878, M: 86.716, S: 78.269
YCbCr
Y: 216.446, Cb: 120.394, Cr: 128.400
YCgCo
Y: 231.000, Cg: 5.000, Co: 62.500
YDbDr
Y: 233.350, Db: -23.094, Dr: -1.240
YPbPr
Y: 234.278, Pb: -8.770, Pr: -0.172
xvYCC
Y: 217.203, Cb: 120.296, Cr: 127.849
YIQ
Y: 233.350, I: 4.591, Q: -6.023
YUV
Y: 233.350, U: -7.551, V: 0.570
System Koloru Munsell
5GY 9/1 ΔE = 1.356
Kolor marki
Sprint ΔE = 16.812

Przypadkowe Kolory

Czerwony

Zielony

Niebieski