/*
  cpt-city: ncl/nrl_sirkes (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,  97, 128)   0.000%,
  rgb(  0,  97, 128)   4.762%,
  rgb(  0, 128, 161)   4.762%,
  rgb(  0, 128, 161)   9.524%,
  rgb(  0, 161, 191)   9.524%,
  rgb(  0, 161, 191)  14.286%,
  rgb(  0, 191, 224)  14.286%,
  rgb(  0, 191, 224)  19.048%,
  rgb(  0, 224, 255)  19.048%,
  rgb(  0, 224, 255)  23.809%,
  rgb(  0, 255, 255)  23.809%,
  rgb(  0, 255, 255)  28.571%,
  rgb( 51, 252, 252)  28.571%,
  rgb( 51, 252, 252)  33.333%,
  rgb(102, 252, 252)  33.333%,
  rgb(102, 252, 252)  38.095%,
  rgb(153, 252, 252)  38.095%,
  rgb(153, 252, 252)  42.857%,
  rgb(204, 252, 252)  42.857%,
  rgb(204, 252, 252)  47.619%,
  rgb(255, 255, 255)  47.619%,
  rgb(255, 255, 255)  52.381%,
  rgb(252, 252,   0)  52.381%,
  rgb(252, 252,   0)  57.143%,
  rgb(252, 224,   0)  57.143%,
  rgb(252, 224,   0)  61.905%,
  rgb(252, 191,   0)  61.905%,
  rgb(252, 191,   0)  66.667%,
  rgb(252, 161,   0)  66.667%,
  rgb(252, 161,   0)  71.429%,
  rgb(252, 128,   0)  71.429%,
  rgb(252, 128,   0)  76.191%,
  rgb(252,  97,   0)  76.191%,
  rgb(252,  97,   0)  80.952%,
  rgb(252,  64,   0)  80.952%,
  rgb(252,  64,   0)  85.714%,
  rgb(252,  33,   0)  85.714%,
  rgb(252,  33,   0)  90.476%,
  rgb(191,   0,   0)  90.476%,
  rgb(191,   0,   0)  95.238%,
  rgb(128,   0,   0)  95.238%,
  rgb(128,   0,   0) 100.000%
);