/*
  cpt-city: km/blue-yellow-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( 19,  19, 233)   0.000%,
  rgb( 19,  19, 233)   7.692%,
  rgb( 37,  37, 215)   7.692%,
  rgb( 37,  37, 215)  15.385%,
  rgb( 55,  55, 198)  15.385%,
  rgb( 55,  55, 198)  23.077%,
  rgb( 73,  73, 180)  23.077%,
  rgb( 73,  73, 180)  30.769%,
  rgb( 91,  91, 162)  30.769%,
  rgb( 91,  91, 162)  38.462%,
  rgb(108, 108, 144)  38.462%,
  rgb(108, 108, 144)  46.154%,
  rgb(126, 126, 126)  46.154%,
  rgb(126, 126, 126)  53.846%,
  rgb(144, 144, 108)  53.846%,
  rgb(144, 144, 108)  61.538%,
  rgb(162, 162,  91)  61.538%,
  rgb(162, 162,  91)  69.231%,
  rgb(180, 180,  73)  69.231%,
  rgb(180, 180,  73)  76.923%,
  rgb(198, 198,  55)  76.923%,
  rgb(198, 198,  55)  84.615%,
  rgb(215, 215,  37)  84.615%,
  rgb(215, 215,  37)  92.308%,
  rgb(233, 233,  19)  92.308%,
  rgb(233, 233,  19) 100.000%
);