/*
  cpt-city: km/green-red-d13 (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(  6, 126,   1)   0.000%,
  rgb(  6, 126,   1)   7.692%,
  rgb( 18, 121,   3)   7.692%,
  rgb( 18, 121,   3)  15.385%,
  rgb( 30, 117,   5)  15.385%,
  rgb( 30, 117,   5)  23.077%,
  rgb( 43, 112,   7)  23.077%,
  rgb( 43, 112,   7)  30.769%,
  rgb( 56, 107,   9)  30.769%,
  rgb( 56, 107,   9)  38.462%,
  rgb( 71, 102,  11)  38.462%,
  rgb( 71, 102,  11)  46.154%,
  rgb( 86,  97,  14)  46.154%,
  rgb( 86,  97,  14)  53.846%,
  rgb(102,  91,  16)  53.846%,
  rgb(102,  91,  16)  61.538%,
  rgb(118,  85,  19)  61.538%,
  rgb(118,  85,  19)  69.231%,
  rgb(134,  79,  22)  69.231%,
  rgb(134,  79,  22)  76.923%,
  rgb(152,  73,  25)  76.923%,
  rgb(152,  73,  25)  84.615%,
  rgb(170,  67,  28)  84.615%,
  rgb(170,  67,  28)  92.308%,
  rgb(189,  60,  32)  92.308%,
  rgb(189,  60,  32) 100.000%
);