// cpt-city: gacruxa/zurzach/zurzach-21 (svg)
//
// Gradients based on integer sequences and traditional Japanese
// colours, by US-based digital artist Gacruxa.
//
// author: Gacruxa
// copyright: CC BY 3.0
// year: 2014
// url: https://phillips.shef.ac.uk/pub/cpt-city/gacruxa/zurzach
#declare zurzach_21 =
color_map {
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  [0.01929 color rgbf <0.7412,0.6392,0.5294,0.0000>]
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  [0.09741 color rgbf <0.7255,0.6431,0.5294,0.0000>]
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  [0.10059 color rgbf <0.6353,0.6863,0.5294,0.0000>]
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  [0.10278 color rgbf <0.5686,0.7216,0.5294,0.0000>]
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  [0.16504 color rgbf <0.5059,0.7451,0.5216,0.0000>]
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  [0.25342 color rgbf <0.7490,0.7333,0.6353,0.0000>]
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  [0.30542 color rgbf <0.8078,0.8078,0.7020,0.0000>]
  [0.30664 color rgbf <0.8275,0.8275,0.7216,0.0000>]
  [0.30762 color rgbf <0.8392,0.8392,0.7333,0.0000>]
  [0.30859 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.39331 color rgbf <0.8510,0.8510,0.7451,0.0000>]
  [0.47803 color rgbf <0.8588,0.8588,0.7529,0.0000>]
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  [0.81689 color rgbf <0.8588,0.8588,0.7529,0.0000>]
  [0.90161 color rgbf <0.8510,0.8510,0.7451,0.0000>]
  [0.98633 color rgbf <0.8471,0.8471,0.7412,0.0000>]
  [0.98804 color rgbf <0.8392,0.8392,0.7333,0.0000>]
  [0.98975 color rgbf <0.8275,0.8275,0.7216,0.0000>]
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  [0.99829 color rgbf <0.7490,0.7490,0.6431,0.0000>]
  [1.00000 color rgbf <0.7412,0.7412,0.6353,0.0000>]
}