/*
  cpt-city: ncl/BlueDarkOrange18 (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(  0, 102, 102)   0.000%,
  rgb(  0, 102, 102)   5.556%,
  rgb(  0, 153, 153)   5.556%,
  rgb(  0, 153, 153)  11.111%,
  rgb(  0, 204, 204)  11.111%,
  rgb(  0, 204, 204)  16.667%,
  rgb(  0, 255, 255)  16.667%,
  rgb(  0, 255, 255)  22.222%,
  rgb( 51, 255, 255)  22.222%,
  rgb( 51, 255, 255)  27.778%,
  rgb(101, 255, 255)  27.778%,
  rgb(101, 255, 255)  33.333%,
  rgb(153, 255, 255)  33.333%,
  rgb(153, 255, 255)  38.889%,
  rgb(178, 255, 255)  38.889%,
  rgb(178, 255, 255)  44.444%,
  rgb(203, 255, 255)  44.444%,
  rgb(203, 255, 255)  50.000%,
  rgb(229, 255, 255)  50.000%,
  rgb(229, 255, 255)  55.556%,
  rgb(255, 229, 203)  55.556%,
  rgb(255, 229, 203)  61.111%,
  rgb(255, 202, 153)  61.111%,
  rgb(255, 202, 153)  66.667%,
  rgb(255, 173, 101)  66.667%,
  rgb(255, 173, 101)  72.222%,
  rgb(255, 142,  51)  72.222%,
  rgb(255, 142,  51)  77.778%,
  rgb(255, 110,   0)  77.778%,
  rgb(255, 110,   0)  83.333%,
  rgb(204,  85,   0)  83.333%,
  rgb(204,  85,   0)  88.889%,
  rgb(153,  61,   0)  88.889%,
  rgb(153,  61,   0)  94.444%,
  rgb(102,  39,   0)  94.444%,
  rgb(102,  39,   0) 100.000%
);