Encycolorpedia

Morgan Lush Green / 60607 / #010201 Barwy Hex

#010201 Paint ChipSzesnastkowykod kolour #010201 jest bardzo ciemny odcieniem zielony. W kolorze RGB model #010201 składa się z 0.39% czerwonego, 0.78% zielonego i 0.39% niebieskiego. W kolorze HSL przestrzeń #010201 ma odcień 120° (stopni), 33% nasycenie i 1% jasność. Kolor ten ma przybliżoną długość fali 549.13 nm.

Odmiany Kolorów

Nazwane Kolory

Schematy Kolorów

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

Odcienie kolorów

#010201 do białego

  1. #010201
  2. #2a2a2a
  3. #4f4f4f
  4. #777877
  5. #a2a3a2
  6. #d0d0d0
  7. #ffffff

Farba

Dopasowywanie farb

Podobne farby

  1. Mini

    1. ★ Connaught Green / GN18
      #020302
      ΔE = 0.274 / LRV ≈ 0.3%
    2. ★ Strukturschwarz Matt / 20139
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  2. Jaguar

    1. ★ Botanical Green Surfacer / JUC103
      #010202
      ΔE = 0.399 / LRV ≈ 0.3%
    2. ★ Coachline Black Cherry / JSC158
      #040101
      ΔE = 1.175 / LRV ≈ 0.3%
  3. Kia

    1. ★ Black Cherry Mat / 9P
      #020202
      ΔE = 0.488 / LRV ≈ 0.3%
    2. ★ Carbon Grey Mat / N7
      #040305
      ΔE = 1.400 / LRV ≈ 0.3%
  4. Wolseley

    1. ★ Anthracite Mat / LVE
      #020202
      ΔE = 0.488 / LRV ≈ 0.3%
    2. ★ Anthracite / LEE
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  5. Freightliner

    1. ★ Black / N0001
      #020202
      ΔE = 0.488 / LRV ≈ 0.3%
    2. Blue / L0074
      #01050a
      ΔE = 2.625 / LRV ≈ 0.3%
  6. GM / General Motors

    1. ★ Granada Black
      #020202
      ΔE = 0.488 / LRV ≈ 0.3%
    2. ★ Black Diamond
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  7. Aston Martin

    1. ★ Jet Black / R2850
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Amazon Green / AST5010D
      #000504
      ΔE = 1.238 / LRV ≈ 0.3%
  8. Bentley

    1. ★ Beluga Satin Mat / 9562004
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Black Mat / 9520907
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  9. Ligier

    1. ★ Noir Ebene / P-08.3.531
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Noir Mat / 20BEV1
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  10. Maserati

    1. ★ Nero / 20B50
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Nero / 65453300
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  11. AWD

    1. ★ Gloss Black / 9TL
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  12. Ski-Doo

    1. ★ Deep Black / B160
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Black / 5801-88-04H
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  13. Borgward

    1. ★ Dominoschwarz / 6111
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. Graphitgrau / 131
      #090b0c
      ΔE = 2.608 / LRV ≈ 0.4%
  14. MVS

    1. ★ Carbone / 200072
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  15. Smart

    1. ★ Jack Black / C55L
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  16. Lotus

    1. ★ Phantom Black / B123
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Black / L15
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  17. Hummer

    1. ★ Vortex Black / 19U
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Ebony / 19
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  18. Lamborghini

    1. ★ Nero Noctis / LY9B
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  19. Mahindra

    1. ★ Black / 9000
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Harvest Green / 440
      #010605
      ΔE = 1.390 / LRV ≈ 0.3%
  20. Volvo

    1. ★ Black / 91709
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Black Grey / 98975
      #060707
      ΔE = 1.447 / LRV ≈ 0.4%
  21. Mitsubishi

    1. ★ Black Matt / XK
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Ebony Black / XA
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  22. Kenworth USA

    1. ★ Black / L0001
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. Dark Green / N0568
      #000908
      ΔE = 2.615 / LRV ≈ 0.4%
  23. Tata

    1. ★ Jet Black / 904
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Bsf Green / 607
      #030504
      ΔE = 0.812 / LRV ≈ 0.3%
  24. UMM

    1. ★ Noir / 881
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Vert / 252
      #010504
      ΔE = 1.043 / LRV ≈ 0.3%
  25. Roewe

    1. ★ Black / PBB
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  26. Steel Primer Paste (Dtm)

    1. ★ Mercedes Chassis Schwarz Sdglz / 9124
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Mercedes Novagrau Mat Sdglz / 7350
      #080909
      ΔE = 1.980 / LRV ≈ 0.4%
  27. Isuzu

    1. ★ Black / U8555
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Dark Blue / 695
      #010103
      ΔE = 1.244 / LRV ≈ 0.3%
  28. Aixam

    1. ★ Noir / A412
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  29. Microcar

    1. ★ Noir Ebene / 8207
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  30. Great Wall

    1. ★ Imperial Black / 0801B
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  31. Tesla

    1. ★ Sierra Black / NEU105E
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. Racing Green / 1GN00
      #000804
      ΔE = 2.541 / LRV ≈ 0.4%
  32. Rolls Royce

    1. ★ Black / R01
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Black / 9561002
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  33. Geely

    1. ★ Gete Black / 343
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
  34. Ferrari

    1. ★ Nero / 1250
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Midnight Blu / 666046
      #010204
      ΔE = 1.201 / LRV ≈ 0.3%
  35. BMW

    1. ★ Anthrazit / 061
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Arravanigrau / B87
      #060707
      ΔE = 1.447 / LRV ≈ 0.4%
  36. Panther

    1. ★ Black / GL12
      #010101
      ΔE = 0.520 / LRV ≈ 0.3%
    2. ★ Westminster Blue / GL71
      #010305
      ΔE = 1.256 / LRV ≈ 0.3%
  37. Morgan

    1. ★ Le Mans Green / 60608
      #020403
      ΔE = 0.561 / LRV ≈ 0.3%
    2. ★ British Racing Green / 61
      #010503
      ΔE = 1.106 / LRV ≈ 0.3%
  38. Man

    1. ★ Chassigrau Matt / R72843
      #030303
      ΔE = 0.597 / LRV ≈ 0.3%
    2. ★ Graphitschwarz Matt / 9011
      #030304
      ΔE = 0.928 / LRV ≈ 0.3%
  39. Mazda

    1. ★ Black Mat / 10038
      #030303
      ΔE = 0.597 / LRV ≈ 0.3%
    2. ★ Black Mat / 10024
      #040404
      ΔE = 0.790 / LRV ≈ 0.3%
  40. Liebherr

    1. ★ Black Matt / 810963
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. Anthrazitgrau / RAL7016
      #080b0c
      ΔE = 2.596 / LRV ≈ 0.4%
  41. Autobianchi

    1. ★ Nero / 145
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  42. Toyota

    1. ★ Aluetian Mat / 742
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  43. Pantone / PMS

    1. ★ Skin Tone 30
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  44. Probe

    1. ★ Anthacite / ZKEA
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Acadia Green / M3903
      #020504
      ΔE = 0.892 / LRV ≈ 0.3%
  45. Daihatsu

    1. ★ Black / 6047
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  46. Peterbuilt

    1. ★ Black / 005
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Black / N0001
      #020101
      ΔE = 0.698 / LRV ≈ 0.3%
  47. Honda

    1. ★ Black / I419
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  48. UNKNOWN

    1. ★ Honda Black 2 / NH1Z
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Bmw Ozeanblau / 054
      #030508
      ΔE = 1.822 / LRV ≈ 0.3%
  49. International Harvister

    1. ★ Canyon Black / 0001
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  50. Old Citadel

    1. ★ Badab Black Wash
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  51. Fleetmark

    1. ★ Black / GAF1415
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  52. Reaper Master

    1. ★ Pure Black (9037)
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  53. Mack Truck Australia

    1. ★ Bonnet Flat Black / GAF1261
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  54. Saturn

    1. ★ Black / WA8555
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  55. McCormick Paints

    1. ★ 200 Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  56. Heinkel

    1. ★ Schwarz / 44
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  57. Venucia

    1. ★ Kh3 / 2012-2012
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  58. Crayola

    1. ★ Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  59. Chrysler

    1. ★ Jet Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. Chevron Blue
      #010208
      ΔE = 2.786 / LRV ≈ 0.3%
  60. Fleet

    1. ★ Allied Pickfords Black / GAF1124
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  61. AMC

    1. ★ Moonlight Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  62. Rackham

    1. ★ Accursed Black (2)
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  63. Subaru

    1. ★ Black Mt / CS84
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  64. Volkswagen

    1. ★ Ebony
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Midnight Blue
      #07090b
      ΔE = 2.284 / LRV ≈ 0.4%
  65. Suzuki

    1. ★ Black Mat / 09L
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Azul Cazorla Mate / 003
      #020305
      ΔE = 1.245 / LRV ≈ 0.3%
  66. Maxitrans

    1. ★ Black Ral9005 / GAF9046
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  67. Haima

    1. ★ Deep Black / N1B1
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  68. Vallejo Game Color

    1. ★ Black Wash (73201)
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  69. Humbrol

    1. ★ 85 Coal Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ 201 Black
      #040000
      ΔE = 1.454 / LRV ≈ 0.3%
  70. Hyundai

    1. ★ Black / XP
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Bronze Green / BN
      #040402
      ΔE = 0.758 / LRV ≈ 0.3%
  71. Schmitz Cargobull

    1. ★ Graphitschwarz / RAL9011
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. Anthrazitgrau / RAL7016
      #080b0c
      ΔE = 2.596 / LRV ≈ 0.4%
  72. Ford

    1. ★ Panther Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Silver Mocha
      #040404
      ΔE = 0.790 / LRV ≈ 0.3%
  73. Avanti

    1. ★ Avanti Black / 9700
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  74. TVR

    1. ★ Black / R2666
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  75. Little Greene

    1. ★ Terrace
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  76. FSO

    1. ★ Black Mat / 900
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  77. Vauxhall

    1. ★ Black / 20W
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  78. Innocenti

    1. ★ Nero Opaco / 901
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  79. Privateer Press Formula P3

    1. ★ Thamar Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  80. Homebase

    1. ★ Black Magic
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Black Magic
      #050708
      ΔE = 1.593 / LRV ≈ 0.4%
  81. Saab

    1. ★ Ebony / 19
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  82. Albany Paint

    1. ★ Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
    2. ★ Soot Print
      #010103
      ΔE = 1.244 / LRV ≈ 0.3%
  83. Tamiya

    1. ★ Tamiya 80001,X1
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  84. Range Rover

    1. ★ Black / PMF
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  85. British Standard

    1. ★ BS 4800 00 E 53 - Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  86. Mega

    1. ★ Noir Mat / M404
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  87. Brilliance

    1. ★ Pure Black / A002
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  88. Vallejo Model Color

    1. ★ Black (950)
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  89. Vista Paint

    1. ★ Black
      #000000
      ΔE = 0.673 / LRV ≈ 0.3%
  90. Saipa

    1. ★ Black / 87B0715
      #020101
      ΔE = 0.698 / LRV ≈ 0.3%
    2. Grey / 9190281
      #090b0c
      ΔE = 2.608 / LRV ≈ 0.4%
  91. Dongfeng Citroen

    1. ★ Aubergine / AC406
      #020101
      ΔE = 0.698 / LRV ≈ 0.3%
  92. Zastava

    1. ★ Cobalt Black / 601
      #020203
      ΔE = 0.855 / LRV ≈ 0.3%
    2. ★ Navy Blue / 438
      #010205
      ΔE = 1.598 / LRV ≈ 0.3%
  93. Teknos

    1. ★ GBI171
      #020000
      ΔE = 0.988 / LRV ≈ 0.3%
  94. Dupont

    1. ★ CAS1008
      #030405
      ΔE = 0.993 / LRV ≈ 0.3%
    2. ★ CAS1007
      #040607
      ΔE = 1.368 / LRV ≈ 0.3%
  95. Perodua

    1. ★ Nautik Blue / B01
      #010204
      ΔE = 1.201 / LRV ≈ 0.3%
  96. Setra Evo

    1. ★ Antik Biskayablau / KS 2962
      #020204
      ΔE = 1.240 / LRV ≈ 0.3%
    2. ★ Antik Biskayablau / EVO 2962
      #020205
      ΔE = 1.629 / LRV ≈ 0.3%
  97. Scania

    1. ★ Atlantic Blue / 1539603
      #010305
      ΔE = 1.256 / LRV ≈ 0.3%
    2. Army Green Matt / 1366649
      #0a0b07
      ΔE = 2.693 / LRV ≈ 0.4%
  98. Opel

    1. ★ Anthrazit Matt / 010
      #040507
      ΔE = 1.489 / LRV ≈ 0.3%
    2. ★ Anthrazit Matt / 70H
      #070708
      ΔE = 1.697 / LRV ≈ 0.4%
  99. Shanghai Gm

    1. ★ Algerian Blue / 20248
      #000606
      ΔE = 1.637 / LRV ≈ 0.3%
    2. Abbott Grey / 20154
      #090b0c
      ΔE = 2.608 / LRV ≈ 0.4%
  100. Studebaker

    1. ★ Black Cherry / W8336
      #060102
      ΔE = 1.841 / LRV ≈ 0.3%
  101. Testors

    1. ★ Testors 2547C
      #050001
      ΔE = 1.845 / LRV ≈ 0.3%
  102. ZAZ

    1. ★ Dunkelblau / 456
      #010206
      ΔE = 1.994 / LRV ≈ 0.3%
    2. ★ Koenigsblau / 886406
      #020307
      ΔE = 2.027 / LRV ≈ 0.3%
  103. Wanderer

    1. ★ Rubin / 101
      #080202
      ΔE = 2.009 / LRV ≈ 0.3%
  104. Dacia

    1. ★ Blue Navy / D42
      #020307
      ΔE = 2.027 / LRV ≈ 0.3%
  105. Ssangyong

    1. ★ Anthracite Black / LAM
      #090909
      ΔE = 2.055 / LRV ≈ 0.4%
  106. Porsche

    1. ★ Achatgrau / 7B2
      #090a0a
      ΔE = 2.249 / LRV ≈ 0.4%
  107. RAL

    1. RAL 9005 / Jet black
      #0a0a0a
      ΔE = 2.322 / LRV ≈ 0.4%
  108. Samsung

    1. Solid Blue / RXB
      #010308
      ΔE = 2.422 / LRV ≈ 0.3%
  109. Revell

    1. Revell 37107
      #03050a
      ΔE = 2.556 / LRV ≈ 0.3%
  110. Krylon

    1. Navy
      #000309
      ΔE = 2.842 / LRV ≈ 0.3%
  111. Flügger

    1. Sort
      #010006
      ΔE = 2.859 / LRV ≈ 0.3%
  112. Otokar

    1. Stahlblau / M151377
      #01040a
      ΔE = 2.884 / LRV ≈ 0.3%

#010201 HTML & CSS Przykłady

#010201 pierwszoplanowy

Kwiat bez zapachu, jak człowiek bez duszy.

<p style="color: #010201">…</p>

#010201 tło

Lepszy wróbel w garści niż gołąb na dachu.

<p style="background-color: #010201">…</p>

#010201 cień tekstu

Wszędzie dobrze, ale w domu najlepiej.

<p style="text-shadow: 0.1em 0.1em 0.15em #010201">…</p>

Wykresy Kompozycji

Przestrzenie kolorów

Dziesiątkowy
66049
Dwójkowy
00000001, 00000010, 00000001
Hexadecimal
#010201
LRV
≈ 0.3%
Najbliższy krótki kolor szesnastkowy
#000 ΔE = 0.681
RGB
rgb(1, 2, 1)
RGBA
rgba(1, 2, 1, 1.0)
rg chromatyczności
r: 0.250, g: 0.500, b: 0.250
RYB
czerwony: 0.004%, żółty: 0.008%, niebieski: 0.008%
Android / android.graphics.Color
-16711167 / 0xff010201
HSL
hsl(120, 33%, 1%)
HSLA
hsla(120, 33%, 1%, 1.0)
HSV / HSB
barwa: 120° (120.000), nasycenie: 50% (0.500), wartość: 1% (0.008)
HSP
barwa: 120.000, nasycenie: 50.000%, postrzegana jasność: 0.652%
HSLuv (HUSL)
H: 127.724, S: 37.328, L: 0.470
Cubehelix
H: -250.041, S: 0.294, L: 0.006
TSL
T: -0.478, S: 0.250, L: 0.006
CMYK
cyjan: 50% (0.500), magenta: 0% (0.000), żółty: 50% (0.500), czarna: 99% (0.992)
CMY
cyjan: 100% (0.996), magenta: 99% (0.992), żółty: 100% (0.996)
XYZ
X: 0.040, Y: 0.052, Z: 0.037
xyY
x: 0.309, y: 0.405, Y: 0.052
CIELab
L: 0.470, a: -0.401, b: 0.286
CIELuv
L: 0.470, u: -0.166, v: 0.215
CIELCH / LCHab
L: 0.470, C: 0.492, H: 144.443
CIELUV / LCHuv
L: 0.470, C: 0.272, H: 127.724
Hunter-Lab
L: 2.282, a: -0.887, b: 0.644
CIECAM02
J: 1.497, C: 4.257, h: 143.247, Q: 24.104, M: 3.722, s: 39.298, H: 178.363
OSA-UCS
lekkość: -9.932, żółty: 0.347, zielony: 0.420
LMS
L: 0.046, M: 0.061, S: 0.037
YCbCr
Y: 17.363, Cb: 127.709, Cr: 127.632
YCgCo
Y: 1.500, Cg: 0.500, Co: 0.250
YDbDr
Y: 1.587, Db: -0.883, Dr: 1.116
YPbPr
Y: 1.715, Pb: -0.385, Pr: -0.454
xvYCC
Y: 17.473, Cb: 127.662, Cr: 127.601
YIQ
Y: 1.587, I: -0.274, Q: -0.523
YUV
Y: 1.587, U: -0.289, V: -0.515
System Koloru Munsell
7.5BG 2/2 ΔE = 18.730
Kolor marki
Squarespace ΔE = 5.018

Przypadkowe Kolory

Czerwony

Zielony

Niebieski