/*
  cpt-city: km/purple-orange-d15 (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(125,  85, 165)   0.000%,
  rgb(125,  85, 165)   6.667%,
  rgb(151,  99, 172)   6.667%,
  rgb(151,  99, 172)  13.333%,
  rgb(176, 116, 178)  13.333%,
  rgb(176, 116, 178)  20.000%,
  rgb(198, 134, 185)  20.000%,
  rgb(198, 134, 185)  26.667%,
  rgb(214, 154, 191)  26.667%,
  rgb(214, 154, 191)  33.333%,
  rgb(224, 176, 200)  33.333%,
  rgb(224, 176, 200)  40.000%,
  rgb(227, 199, 210)  40.000%,
  rgb(227, 199, 210)  46.667%,
  rgb(223, 223, 223)  46.667%,
  rgb(223, 223, 223)  53.333%,
  rgb(238, 216, 185)  53.333%,
  rgb(238, 216, 185)  60.000%,
  rgb(247, 204, 147)  60.000%,
  rgb(247, 204, 147)  66.667%,
  rgb(249, 188, 112)  66.667%,
  rgb(249, 188, 112)  73.333%,
  rgb(246, 168,  81)  73.333%,
  rgb(246, 168,  81)  80.000%,
  rgb(237, 144,  54)  80.000%,
  rgb(237, 144,  54)  86.667%,
  rgb(224, 120,  34)  86.667%,
  rgb(224, 120,  34)  93.333%,
  rgb(205,  97,  18)  93.333%,
  rgb(205,  97,  18) 100.000%
);