// cpt-city: grass/roygbiv (cpt)
//
// Colour ramps distributed with the GRASS GIS
//
// author: GRASS Development Team
// copyright: GPLv2
// year: 2009, 2025
// url: https://phillips.shef.ac.uk/pub/cpt-city/grass
#declare roygbiv =
color_map {
  [0.00000 color rgbf <0.6039,0.0000,0.6118,0.0000>]
  [0.16667 color rgbf <0.0275,0.0000,0.9804,0.0000>]
  [0.20000 color rgbf <0.0000,0.1608,1.0000,0.0000>]
  [0.33333 color rgbf <0.0000,1.0000,1.0000,0.0000>]
  [0.45000 color rgbf <0.0000,0.7686,0.2706,0.0000>]
  [0.50000 color rgbf <0.0510,0.7020,0.0000,0.0000>]
  [0.62500 color rgbf <0.8353,0.9490,0.0000,0.0000>]
  [0.65000 color rgbf <0.9529,1.0000,0.0000,0.0000>]
  [0.66667 color rgbf <1.0000,0.9333,0.0000,0.0000>]
  [0.80000 color rgbf <1.0000,0.3804,0.0000,0.0000>]
  [0.83333 color rgbf <1.0000,0.2745,0.0000,0.0000>]
  [0.91667 color rgbf <1.0000,0.0549,0.0000,0.0000>]
  [0.95000 color rgbf <0.8941,0.0000,0.0000,0.0000>]
  [1.00000 color rgbf <0.5176,0.0000,0.0000,0.0000>]
}