/*
  cpt-city: ngdc/ETOPO1 (cpt)

  A palette used by the US National Geophysical Data
  Center (NGDC) for relief maps using the ETOPO1 global
  relief model.

  Above sea level is a modified version of GMT_globe.cpt,
  Designed by Lester M. Anderson (CASP, UK), Modified by
  Jesse Varner and Elliot Lim (NOAA/NGDC) with a smaller
  band of white for the highest elevations. The ocean
  colors are adapted from GMT_haxby.cpt, popularized by
  Bill Haxby, LDEO

  author: Lester M. Anderson, Jesse Varner, Elliot Lim et al.
  copyright: GPLv2
  year: 2009
  url: https://phillips.shef.ac.uk/pub/cpt-city/ngdc
*/
linear-gradient(
  0deg,
  rgb( 10,   0, 121)   0.000%,
  rgb( 26,   0, 137)   2.564%,
  rgb( 38,   0, 152)   5.128%,
  rgb( 27,   3, 166)   7.692%,
  rgb( 16,   6, 180)  10.256%,
  rgb(  5,   9, 193)  12.820%,
  rgb(  0,  14, 203)  15.385%,
  rgb(  0,  22, 210)  17.949%,
  rgb(  0,  30, 216)  20.513%,
  rgb(  0,  39, 223)  23.077%,
  rgb( 12,  68, 231)  25.641%,
  rgb( 26, 102, 240)  28.205%,
  rgb( 19, 117, 244)  30.769%,
  rgb( 14, 133, 249)  33.333%,
  rgb( 21, 158, 252)  35.897%,
  rgb( 30, 178, 255)  38.462%,
  rgb( 43, 186, 255)  41.026%,
  rgb( 55, 193, 255)  43.590%,
  rgb( 65, 200, 255)  46.154%,
  rgb( 79, 210, 255)  48.718%,
  rgb( 94, 223, 255)  51.282%,
  rgb(138, 227, 255)  53.846%,
  rgb(188, 230, 255)  56.410%,
  rgb( 51, 102,   0)  56.410%,
  rgb( 51, 204, 102)  56.923%,
  rgb(187, 228, 146)  57.436%,
  rgb(255, 220, 185)  58.974%,
  rgb(243, 202, 137)  61.538%,
  rgb(230, 184,  88)  64.103%,
  rgb(217, 166,  39)  66.667%,
  rgb(168, 154,  31)  69.231%,
  rgb(164, 144,  25)  71.795%,
  rgb(162, 134,  19)  74.359%,
  rgb(159, 123,  13)  76.923%,
  rgb(156, 113,   7)  79.487%,
  rgb(153, 102,   0)  82.051%,
  rgb(162,  89,  89)  84.615%,
  rgb(178, 118, 118)  87.180%,
  rgb(183, 147, 147)  89.744%,
  rgb(194, 176, 176)  92.308%,
  rgb(204, 204, 204)  94.872%,
  rgb(229, 229, 229)  97.436%,
  rgb(255, 255, 255) 100.000%
);