/*
  cpt-city: ncl/topo_15lev (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( 40,  54, 154)   0.000%,
  rgb( 40,  54, 154)   6.667%,
  rgb(  0, 201,  50)   6.667%,
  rgb(  0, 201,  50)  13.333%,
  rgb( 30, 211, 104)  13.333%,
  rgb( 30, 211, 104)  20.000%,
  rgb( 94, 224, 116)  20.000%,
  rgb( 94, 224, 116)  26.667%,
  rgb(162, 235, 130)  26.667%,
  rgb(162, 235, 130)  33.333%,
  rgb(223, 248, 146)  33.333%,
  rgb(223, 248, 146)  40.000%,
  rgb(246, 229, 149)  40.000%,
  rgb(246, 229, 149)  46.667%,
  rgb(200, 178, 118)  46.667%,
  rgb(200, 178, 118)  53.333%,
  rgb(162, 126,  94)  53.333%,
  rgb(162, 126,  94)  60.000%,
  rgb(143,  97,  84)  60.000%,
  rgb(143,  97,  84)  66.667%,
  rgb(162, 125, 116)  66.667%,
  rgb(162, 125, 116)  73.333%,
  rgb(178, 150, 139)  73.333%,
  rgb(178, 150, 139)  80.000%,
  rgb(199, 176, 170)  80.000%,
  rgb(199, 176, 170)  86.667%,
  rgb(219, 205, 202)  86.667%,
  rgb(219, 205, 202)  93.333%,
  rgb(236, 228, 226)  93.333%,
  rgb(236, 228, 226) 100.000%
);