// cpt-city: nr/pdr/harris-pdr-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/pdr
#declare harris_pdr_18 =
color_map {
  [0.00000 color rgbf <0.6314,0.2745,0.1608,0.0000>]
  [0.10000 color rgbf <0.6314,0.2745,0.1608,0.0000>]
  [0.10000 color rgbf <0.5686,0.2667,0.1608,0.0000>]
  [0.20000 color rgbf <0.5686,0.2667,0.1608,0.0000>]
  [0.20000 color rgbf <0.5255,0.2588,0.1569,0.0000>]
  [0.30000 color rgbf <0.5255,0.2588,0.1569,0.0000>]
  [0.30000 color rgbf <0.4667,0.2549,0.1608,0.0000>]
  [0.40000 color rgbf <0.4667,0.2549,0.1608,0.0000>]
  [0.40000 color rgbf <0.4118,0.2431,0.1647,0.0000>]
  [0.50000 color rgbf <0.4118,0.2431,0.1647,0.0000>]
  [0.50000 color rgbf <0.3804,0.2314,0.1608,0.0000>]
  [0.60000 color rgbf <0.3804,0.2314,0.1608,0.0000>]
  [0.60000 color rgbf <0.3333,0.2235,0.1686,0.0000>]
  [0.80000 color rgbf <0.3333,0.2235,0.1686,0.0000>]
  [0.80000 color rgbf <0.2431,0.1961,0.1647,0.0000>]
  [0.90000 color rgbf <0.2431,0.1961,0.1647,0.0000>]
  [0.90000 color rgbf <0.2118,0.1922,0.1765,0.0000>]
  [1.00000 color rgbf <0.2118,0.1922,0.1765,0.0000>]
}