/*
  cpt-city: nr/pdc/harris-pdc-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/pdc
*/
linear-gradient(
  0deg,
  rgb( 69,  52,  38)   0.000%,
  rgb( 69,  52,  38)   5.556%,
  rgb( 66,  56,  39)   5.556%,
  rgb( 66,  56,  39)  11.111%,
  rgb( 65,  60,  39)  11.111%,
  rgb( 65,  60,  39)  16.667%,
  rgb( 64,  62,  39)  16.667%,
  rgb( 64,  62,  39)  22.222%,
  rgb( 63,  65,  39)  22.222%,
  rgb( 63,  65,  39)  27.778%,
  rgb( 64,  70,  45)  27.778%,
  rgb( 64,  70,  45)  33.333%,
  rgb( 65,  78,  41)  33.333%,
  rgb( 65,  78,  41)  38.889%,
  rgb( 57,  71,  47)  38.889%,
  rgb( 57,  71,  47)  44.444%,
  rgb( 50,  61,  49)  44.444%,
  rgb( 50,  61,  49)  50.000%,
  rgb( 47,  57,  50)  50.000%,
  rgb( 47,  57,  50)  55.556%,
  rgb( 45,  54,  55)  55.556%,
  rgb( 45,  54,  55)  61.111%,
  rgb( 42,  50,  57)  61.111%,
  rgb( 42,  50,  57)  66.667%,
  rgb( 38,  39,  63)  66.667%,
  rgb( 38,  39,  63)  72.222%,
  rgb( 45,  43,  55)  72.222%,
  rgb( 45,  43,  55)  77.778%,
  rgb( 47,  46,  54)  77.778%,
  rgb( 47,  46,  54)  83.333%,
  rgb( 50,  45,  51)  83.333%,
  rgb( 50,  45,  51)  88.889%,
  rgb( 57,  48,  46)  88.889%,
  rgb( 57,  48,  46)  94.444%,
  rgb( 62,  50,  42)  94.444%,
  rgb( 62,  50,  42) 100.000%
);