/*
  cpt-city: ncl/perc2_9lev (cpt)

  Colour-tables from NCL (NCAR Command Language), an open-source
  interpreted language designed specifically for scientific data
  analysis and visualisation

  author: University Corporation for Atmospheric Research (UCAR)
  copyright: Custom open-source
  year: 2011
  url: https://phillips.shef.ac.uk/pub/cpt-city/ncl
*/
linear-gradient(
  0deg,
  rgb(215, 227, 238)   0.000%,
  rgb(215, 227, 238)  10.000%,
  rgb(181, 202, 255)  10.000%,
  rgb(181, 202, 255)  20.000%,
  rgb(143, 179, 255)  20.000%,
  rgb(143, 179, 255)  30.000%,
  rgb(127, 151, 255)  30.000%,
  rgb(127, 151, 255)  40.000%,
  rgb(171, 207,  99)  40.000%,
  rgb(171, 207,  99)  50.000%,
  rgb(232, 245, 158)  50.000%,
  rgb(232, 245, 158)  60.000%,
  rgb(255, 250,  20)  60.000%,
  rgb(255, 250,  20)  70.000%,
  rgb(255, 209,  33)  70.000%,
  rgb(255, 209,  33)  80.000%,
  rgb(255, 163,  10)  80.000%,
  rgb(255, 163,  10)  90.000%,
  rgb(255,  76,   0)  90.000%,
  rgb(255,  76,   0) 100.000%
);