/*
  cpt-city: km/blue-yellow-d11 (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( 21,  21, 231)   0.000%,
  rgb( 21,  21, 231)   9.091%,
  rgb( 42,  42, 211)   9.091%,
  rgb( 42,  42, 211)  18.182%,
  rgb( 63,  63, 189)  18.182%,
  rgb( 63,  63, 189)  27.273%,
  rgb( 84,  84, 169)  27.273%,
  rgb( 84,  84, 169)  36.364%,
  rgb(105, 105, 147)  36.364%,
  rgb(105, 105, 147)  45.455%,
  rgb(126, 126, 126)  45.455%,
  rgb(126, 126, 126)  54.545%,
  rgb(147, 147, 105)  54.545%,
  rgb(147, 147, 105)  63.636%,
  rgb(169, 169,  84)  63.636%,
  rgb(169, 169,  84)  72.727%,
  rgb(189, 189,  63)  72.727%,
  rgb(189, 189,  63)  81.818%,
  rgb(211, 211,  42)  81.818%,
  rgb(211, 211,  42)  90.909%,
  rgb(231, 231,  21)  90.909%,
  rgb(231, 231,  21) 100.000%
);