/*
  cpt-city: km/blue-yellow-d09 (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( 23,  23, 229)   0.000%,
  rgb( 23,  23, 229)  11.111%,
  rgb( 49,  49, 203)  11.111%,
  rgb( 49,  49, 203)  22.222%,
  rgb( 74,  74, 178)  22.222%,
  rgb( 74,  74, 178)  33.333%,
  rgb(101, 101, 152)  33.333%,
  rgb(101, 101, 152)  44.444%,
  rgb(126, 126, 126)  44.444%,
  rgb(126, 126, 126)  55.556%,
  rgb(152, 152, 101)  55.556%,
  rgb(152, 152, 101)  66.667%,
  rgb(178, 178,  74)  66.667%,
  rgb(178, 178,  74)  77.778%,
  rgb(203, 203,  49)  77.778%,
  rgb(203, 203,  49)  88.889%,
  rgb(229, 229,  23)  88.889%,
  rgb(229, 229,  23) 100.000%
);