// cpt-city: colo/alpen/4k (cpt)
//
// COLOURlovers is a creative community where people from
// around the world create and share colors, palettes and
// patterns, discuss the latest trends and explore colorful
// articles... All in the spirit of love.
//
// author: alpen
// copyright: Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported
// year: 2009
// url: https://phillips.shef.ac.uk/pub/cpt-city/colo/alpen
#declare 4k =
color_map {
  [0.00000 color rgbf <0.1176,0.1216,0.1569,0.0000>]
  [0.32000 color rgbf <0.1176,0.1216,0.1569,0.0000>]
  [0.32000 color rgbf <0.1686,0.2157,0.2745,0.0000>]
  [0.57000 color rgbf <0.1686,0.2157,0.2745,0.0000>]
  [0.57000 color rgbf <0.1647,0.3569,0.4431,0.0000>]
  [0.71000 color rgbf <0.1647,0.3569,0.4431,0.0000>]
  [0.71000 color rgbf <0.0745,0.5451,0.5765,0.0000>]
  [0.78000 color rgbf <0.0745,0.5451,0.5765,0.0000>]
  [0.78000 color rgbf <0.5804,0.7490,0.7098,0.0000>]
  [1.00000 color rgbf <0.5804,0.7490,0.7098,0.0000>]
}