/*
  cpt-city: km/purple-orange (cpt)

  Diverging Color Maps for Scientific Visualization, Kenneth
  Moreland. ISVC '09: Proceedings of the 5th International
  Symposium on Advances in Visual Computing: Part II pp, 92-103

  author: Kenneth Moreland
  copyright: Public domain
  year: 2012
  url: https://phillips.shef.ac.uk/pub/cpt-city/km
*/
linear-gradient(
  0deg,
  rgb(111,  79, 161)   0.000%,
  rgb(117,  81, 163)   1.562%,
  rgb(124,  84, 165)   3.125%,
  rgb(130,  88, 166)   4.688%,
  rgb(136,  91, 168)   6.250%,
  rgb(143,  94, 170)   7.812%,
  rgb(149,  98, 171)   9.375%,
  rgb(155, 101, 173)  10.938%,
  rgb(161, 105, 174)  12.500%,
  rgb(167, 109, 176)  14.062%,
  rgb(172, 113, 177)  15.625%,
  rgb(178, 117, 179)  17.188%,
  rgb(183, 121, 180)  18.750%,
  rgb(188, 125, 182)  20.312%,
  rgb(193, 129, 183)  21.875%,
  rgb(198, 134, 185)  23.438%,
  rgb(202, 138, 186)  25.000%,
  rgb(206, 143, 188)  26.562%,
  rgb(210, 148, 190)  28.125%,
  rgb(213, 153, 191)  29.688%,
  rgb(216, 158, 193)  31.250%,
  rgb(219, 163, 195)  32.812%,
  rgb(221, 168, 197)  34.375%,
  rgb(223, 173, 199)  35.938%,
  rgb(225, 179, 201)  37.500%,
  rgb(226, 184, 204)  39.062%,
  rgb(227, 190, 206)  40.625%,
  rgb(227, 195, 208)  42.188%,
  rgb(227, 201, 211)  43.750%,
  rgb(227, 206, 214)  45.312%,
  rgb(226, 212, 217)  46.875%,
  rgb(225, 218, 220)  48.438%,
  rgb(223, 223, 223)  50.000%,
  rgb(227, 222, 214)  51.562%,
  rgb(231, 221, 205)  53.125%,
  rgb(234, 219, 196)  54.688%,
  rgb(237, 217, 187)  56.250%,
  rgb(239, 215, 178)  57.812%,
  rgb(242, 212, 169)  59.375%,
  rgb(244, 209, 160)  60.938%,
  rgb(246, 206, 152)  62.500%,
  rgb(247, 203, 143)  64.062%,
  rgb(248, 199, 135)  65.625%,
  rgb(249, 195, 126)  67.188%,
  rgb(249, 191, 118)  68.750%,
  rgb(249, 187, 110)  70.312%,
  rgb(249, 182, 103)  71.875%,
  rgb(249, 178,  95)  73.438%,
  rgb(248, 173,  88)  75.000%,
  rgb(246, 168,  81)  76.562%,
  rgb(245, 163,  75)  78.125%,
  rgb(243, 157,  68)  79.688%,
  rgb(241, 152,  62)  81.250%,
  rgb(238, 146,  56)  82.812%,
  rgb(236, 141,  51)  84.375%,
  rgb(233, 135,  46)  85.938%,
  rgb(229, 130,  41)  87.500%,
  rgb(226, 124,  36)  89.062%,
  rgb(222, 118,  32)  90.625%,
  rgb(218, 113,  28)  92.188%,
  rgb(213, 107,  24)  93.750%,
  rgb(209, 102,  21)  95.312%,
  rgb(204,  96,  17)  96.875%,
  rgb(199,  91,  14)  98.438%,
  rgb(194,  85,  12) 100.000%
);