/*
  cpt-city: km/green-purple-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( 28, 147,  63)   0.000%,
  rgb( 28, 147,  63)   6.667%,
  rgb( 43, 168,  87)   6.667%,
  rgb( 43, 168,  87)  13.333%,
  rgb( 62, 187, 114)  13.333%,
  rgb( 62, 187, 114)  20.000%,
  rgb( 87, 203, 143)  20.000%,
  rgb( 87, 203, 143)  26.667%,
  rgb(115, 215, 169)  26.667%,
  rgb(115, 215, 169)  33.333%,
  rgb(148, 223, 192)  33.333%,
  rgb(148, 223, 192)  40.000%,
  rgb(185, 226, 211)  40.000%,
  rgb(185, 226, 211)  46.667%,
  rgb(223, 223, 223)  46.667%,
  rgb(223, 223, 223)  53.333%,
  rgb(227, 199, 210)  53.333%,
  rgb(227, 199, 210)  60.000%,
  rgb(224, 176, 200)  60.000%,
  rgb(224, 176, 200)  66.667%,
  rgb(214, 154, 191)  66.667%,
  rgb(214, 154, 191)  73.333%,
  rgb(198, 134, 185)  73.333%,
  rgb(198, 134, 185)  80.000%,
  rgb(176, 116, 178)  80.000%,
  rgb(176, 116, 178)  86.667%,
  rgb(151,  99, 172)  86.667%,
  rgb(151,  99, 172)  93.333%,
  rgb(125,  85, 165)  93.333%,
  rgb(125,  85, 165) 100.000%
);