/*
  cpt-city: km/cool-warm-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( 61,  87, 204)   0.000%,
  rgb( 61,  87, 204)   6.667%,
  rgb( 70, 108, 222)   6.667%,
  rgb( 70, 108, 222)  13.333%,
  rgb( 82, 130, 235)  13.333%,
  rgb( 82, 130, 235)  20.000%,
  rgb( 99, 153, 243)  20.000%,
  rgb( 99, 153, 243)  26.667%,
  rgb(121, 175, 245)  26.667%,
  rgb(121, 175, 245)  33.333%,
  rgb(149, 195, 242)  33.333%,
  rgb(149, 195, 242)  40.000%,
  rgb(184, 211, 234)  40.000%,
  rgb(184, 211, 234)  46.667%,
  rgb(223, 223, 223)  46.667%,
  rgb(223, 223, 223)  53.333%,
  rgb(255, 189, 180)  53.333%,
  rgb(255, 189, 180)  60.000%,
  rgb(255, 142, 134)  60.000%,
  rgb(255, 142, 134)  66.667%,
  rgb(255, 107, 104)  66.667%,
  rgb(255, 107, 104)  73.333%,
  rgb(255,  78,  85)  73.333%,
  rgb(255,  78,  85)  80.000%,
  rgb(255,  54,  71)  80.000%,
  rgb(255,  54,  71)  86.667%,
  rgb(246,  32,  60)  86.667%,
  rgb(246,  32,  60)  93.333%,
  rgb(203,  12,  45)  93.333%,
  rgb(203,  12,  45) 100.000%
);