/*
  cpt-city: nr/cdc/harris-cdc-09 (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/cdc
*/
linear-gradient(
  0deg,
  rgb( 64,  62,  39)   0.000%,
  rgb( 64,  62,  39)   5.556%,
  rgb( 64,  63,  41)   5.556%,
  rgb( 64,  63,  41)  11.111%,
  rgb( 63,  62,  43)  11.111%,
  rgb( 63,  62,  43)  16.667%,
  rgb( 60,  62,  49)  16.667%,
  rgb( 60,  62,  49)  22.222%,
  rgb( 56,  59,  49)  22.222%,
  rgb( 56,  59,  49)  27.778%,
  rgb( 53,  59,  51)  27.778%,
  rgb( 53,  59,  51)  33.333%,
  rgb( 47,  57,  50)  33.333%,
  rgb( 47,  57,  50)  38.889%,
  rgb( 47,  56,  49)  38.889%,
  rgb( 47,  56,  49)  44.444%,
  rgb( 46,  52,  48)  44.444%,
  rgb( 46,  52,  48)  50.000%,
  rgb( 44,  48,  47)  50.000%,
  rgb( 44,  48,  47)  55.556%,
  rgb( 48,  48,  50)  55.556%,
  rgb( 48,  48,  50)  61.111%,
  rgb( 48,  48,  51)  61.111%,
  rgb( 48,  48,  51)  66.667%,
  rgb( 50,  45,  51)  66.667%,
  rgb( 50,  45,  51)  72.222%,
  rgb( 55,  49,  50)  72.222%,
  rgb( 55,  49,  50)  77.778%,
  rgb( 59,  51,  49)  77.778%,
  rgb( 59,  51,  49)  83.333%,
  rgb( 60,  50,  47)  83.333%,
  rgb( 60,  50,  47)  88.889%,
  rgb( 64,  56,  48)  88.889%,
  rgb( 64,  56,  48)  94.444%,
  rgb( 65,  60,  45)  94.444%,
  rgb( 65,  60,  45) 100.000%
);