/*
  cpt-city: nr/plr/harris-plr-18 (cpt)

  Schemes from Moses Harris’ coluor wheels in "The Natural System
  of Colours" (1766), recreated by Nicholas Rougeux 2025

  author: Nicholas Rougeux
  copyright: CC0 1.0
  year: 2025
  url: https://phillips.shef.ac.uk/pub/cpt-city/nr/plr
*/
linear-gradient(
  0deg,
  rgb(234, 213, 189)   0.000%,
  rgb(234, 213, 189)  10.000%,
  rgb(229, 195, 170)  10.000%,
  rgb(229, 195, 170)  20.000%,
  rgb(224, 176, 153)  20.000%,
  rgb(224, 176, 153)  30.000%,
  rgb(219, 161, 139)  30.000%,
  rgb(219, 161, 139)  40.000%,
  rgb(210, 139, 118)  40.000%,
  rgb(210, 139, 118)  50.000%,
  rgb(202, 125, 103)  50.000%,
  rgb(202, 125, 103)  60.000%,
  rgb(192, 108,  85)  60.000%,
  rgb(192, 108,  85)  70.000%,
  rgb(184,  96,  73)  70.000%,
  rgb(184,  96,  73)  80.000%,
  rgb(175,  84,  59)  80.000%,
  rgb(175,  84,  59)  90.000%,
  rgb(161,  70,  41)  90.000%,
  rgb(161,  70,  41) 100.000%
);