// cpt-city: jm/ad/ad-b (cpt)
//
// Abysmal Deep
//
// From teal colored shallows through darker and darker blues
// until all detail is lost in the black stygian depths.
//
// author: Jim Mossman
// copyright: Attribution required
// year: 2005
// url: https://phillips.shef.ac.uk/pub/cpt-city/jm/ad
#declare ad_b =
color_map {
  [-0.00000 color rgbf <0.3608,0.8000,0.6784,0.0000>]
  [0.01695 color rgbf <0.3608,0.8000,0.6784,0.0000>]
  [0.01695 color rgbf <0.3608,0.8000,0.6980,0.0000>]
  [0.03390 color rgbf <0.3608,0.8000,0.6980,0.0000>]
  [0.03390 color rgbf <0.3608,0.8000,0.7176,0.0000>]
  [0.05085 color rgbf <0.3608,0.8000,0.7176,0.0000>]
  [0.05085 color rgbf <0.3608,0.8000,0.7490,0.0000>]
  [0.06780 color rgbf <0.3608,0.8000,0.7490,0.0000>]
  [0.06780 color rgbf <0.3608,0.8000,0.7725,0.0000>]
  [0.08475 color rgbf <0.3608,0.8000,0.7725,0.0000>]
  [0.08475 color rgbf <0.3608,0.8000,0.8000,0.0000>]
  [0.10169 color rgbf <0.3608,0.8000,0.8000,0.0000>]
  [0.10169 color rgbf <0.3765,0.7804,0.8000,0.0000>]
  [0.11864 color rgbf <0.3765,0.7804,0.8000,0.0000>]
  [0.11864 color rgbf <0.3882,0.7647,0.8000,0.0000>]
  [0.13559 color rgbf <0.3882,0.7647,0.8000,0.0000>]
  [0.13559 color rgbf <0.4000,0.7373,0.8000,0.0000>]
  [0.15254 color rgbf <0.4000,0.7373,0.8000,0.0000>]
  [0.15254 color rgbf <0.4000,0.7098,0.8000,0.0000>]
  [0.16949 color rgbf <0.4000,0.7098,0.8000,0.0000>]
  [0.16949 color rgbf <0.4000,0.6902,0.8000,0.0000>]
  [0.18644 color rgbf <0.4000,0.6902,0.8000,0.0000>]
  [0.18644 color rgbf <0.4000,0.6706,0.8000,0.0000>]
  [0.20339 color rgbf <0.4000,0.6706,0.8000,0.0000>]
  [0.20339 color rgbf <0.4000,0.6431,0.8000,0.0000>]
  [0.22034 color rgbf <0.4000,0.6431,0.8000,0.0000>]
  [0.22034 color rgbf <0.4000,0.6235,0.8000,0.0000>]
  [0.23729 color rgbf <0.4000,0.6235,0.8000,0.0000>]
  [0.23729 color rgbf <0.4000,0.6039,0.8000,0.0000>]
  [0.25424 color rgbf <0.4000,0.6039,0.8000,0.0000>]
  [0.25424 color rgbf <0.4000,0.5765,0.8000,0.0000>]
  [0.27119 color rgbf <0.4000,0.5765,0.8000,0.0000>]
  [0.27119 color rgbf <0.4000,0.5569,0.8000,0.0000>]
  [0.28814 color rgbf <0.4000,0.5569,0.8000,0.0000>]
  [0.28814 color rgbf <0.4000,0.5373,0.8000,0.0000>]
  [0.30508 color rgbf <0.4000,0.5373,0.8000,0.0000>]
  [0.30508 color rgbf <0.4000,0.5098,0.8000,0.0000>]
  [0.32203 color rgbf <0.4000,0.5098,0.8000,0.0000>]
  [0.32203 color rgbf <0.4000,0.5020,0.8000,0.0000>]
  [0.33898 color rgbf <0.4000,0.5020,0.8000,0.0000>]
  [0.33898 color rgbf <0.4000,0.4824,0.8000,0.0000>]
  [0.35593 color rgbf <0.4000,0.4824,0.8000,0.0000>]
  [0.35593 color rgbf <0.4000,0.4706,0.8000,0.0000>]
  [0.37288 color rgbf <0.4000,0.4706,0.8000,0.0000>]
  [0.37288 color rgbf <0.4000,0.4431,0.8000,0.0000>]
  [0.38983 color rgbf <0.4000,0.4431,0.8000,0.0000>]
  [0.38983 color rgbf <0.3804,0.4235,0.7804,0.0000>]
  [0.40678 color rgbf <0.3804,0.4235,0.7804,0.0000>]
  [0.40678 color rgbf <0.3647,0.4078,0.7608,0.0000>]
  [0.42373 color rgbf <0.3647,0.4078,0.7608,0.0000>]
  [0.42373 color rgbf <0.3490,0.3922,0.7412,0.0000>]
  [0.44068 color rgbf <0.3490,0.3922,0.7412,0.0000>]
  [0.44068 color rgbf <0.3294,0.3725,0.7216,0.0000>]
  [0.45763 color rgbf <0.3294,0.3725,0.7216,0.0000>]
  [0.45763 color rgbf <0.3137,0.3569,0.7020,0.0000>]
  [0.47458 color rgbf <0.3137,0.3569,0.7020,0.0000>]
  [0.47458 color rgbf <0.2941,0.3373,0.6824,0.0000>]
  [0.49153 color rgbf <0.2941,0.3373,0.6824,0.0000>]
  [0.49153 color rgbf <0.2941,0.3451,0.6667,0.0000>]
  [0.50848 color rgbf <0.2941,0.3451,0.6667,0.0000>]
  [0.50848 color rgbf <0.2941,0.3412,0.6510,0.0000>]
  [0.52542 color rgbf <0.2941,0.3412,0.6510,0.0000>]
  [0.52542 color rgbf <0.2902,0.3373,0.6353,0.0000>]
  [0.54237 color rgbf <0.2902,0.3373,0.6353,0.0000>]
  [0.54237 color rgbf <0.2863,0.3333,0.6196,0.0000>]
  [0.55932 color rgbf <0.2863,0.3333,0.6196,0.0000>]
  [0.55932 color rgbf <0.2863,0.3294,0.6039,0.0000>]
  [0.57627 color rgbf <0.2863,0.3294,0.6039,0.0000>]
  [0.57627 color rgbf <0.2863,0.3333,0.5843,0.0000>]
  [0.59322 color rgbf <0.2863,0.3333,0.5843,0.0000>]
  [0.59322 color rgbf <0.2745,0.3176,0.5647,0.0000>]
  [0.61017 color rgbf <0.2745,0.3176,0.5647,0.0000>]
  [0.61017 color rgbf <0.2627,0.3098,0.5451,0.0000>]
  [0.62712 color rgbf <0.2627,0.3098,0.5451,0.0000>]
  [0.62712 color rgbf <0.2471,0.2902,0.5255,0.0000>]
  [0.64407 color rgbf <0.2471,0.2902,0.5255,0.0000>]
  [0.64407 color rgbf <0.2314,0.2745,0.5059,0.0000>]
  [0.66102 color rgbf <0.2314,0.2745,0.5059,0.0000>]
  [0.66102 color rgbf <0.2157,0.2588,0.4863,0.0000>]
  [0.67797 color rgbf <0.2157,0.2588,0.4863,0.0000>]
  [0.67797 color rgbf <0.2000,0.2392,0.4667,0.0000>]
  [0.69492 color rgbf <0.2000,0.2392,0.4667,0.0000>]
  [0.69492 color rgbf <0.1804,0.2235,0.4471,0.0000>]
  [0.71186 color rgbf <0.1804,0.2235,0.4471,0.0000>]
  [0.71186 color rgbf <0.1647,0.2078,0.4275,0.0000>]
  [0.72881 color rgbf <0.1647,0.2078,0.4275,0.0000>]
  [0.72881 color rgbf <0.1490,0.1922,0.4078,0.0000>]
  [0.74576 color rgbf <0.1490,0.1922,0.4078,0.0000>]
  [0.74576 color rgbf <0.1333,0.1725,0.3882,0.0000>]
  [0.76271 color rgbf <0.1333,0.1725,0.3882,0.0000>]
  [0.76271 color rgbf <0.1176,0.1569,0.3686,0.0000>]
  [0.77966 color rgbf <0.1176,0.1569,0.3686,0.0000>]
  [0.77966 color rgbf <0.1059,0.1412,0.3490,0.0000>]
  [0.79661 color rgbf <0.1059,0.1412,0.3490,0.0000>]
  [0.79661 color rgbf <0.0902,0.1294,0.3294,0.0000>]
  [0.81356 color rgbf <0.0902,0.1294,0.3294,0.0000>]
  [0.81356 color rgbf <0.0745,0.1137,0.3098,0.0000>]
  [0.83051 color rgbf <0.0745,0.1137,0.3098,0.0000>]
  [0.83051 color rgbf <0.0627,0.0980,0.2902,0.0000>]
  [0.84746 color rgbf <0.0627,0.0980,0.2902,0.0000>]
  [0.84746 color rgbf <0.0471,0.0824,0.2706,0.0000>]
  [0.86441 color rgbf <0.0471,0.0824,0.2706,0.0000>]
  [0.86441 color rgbf <0.0353,0.0706,0.2510,0.0000>]
  [0.88136 color rgbf <0.0353,0.0706,0.2510,0.0000>]
  [0.88136 color rgbf <0.0235,0.0549,0.2314,0.0000>]
  [0.89831 color rgbf <0.0235,0.0549,0.2314,0.0000>]
  [0.89831 color rgbf <0.0118,0.0275,0.2118,0.0000>]
  [0.91525 color rgbf <0.0118,0.0275,0.2118,0.0000>]
  [0.91525 color rgbf <0.0039,0.0157,0.1922,0.0000>]
  [0.93220 color rgbf <0.0039,0.0157,0.1922,0.0000>]
  [0.93220 color rgbf <0.0000,0.0000,0.1725,0.0000>]
  [0.94915 color rgbf <0.0000,0.0000,0.1725,0.0000>]
  [0.94915 color rgbf <0.0000,0.0000,0.1529,0.0000>]
  [0.96610 color rgbf <0.0000,0.0000,0.1529,0.0000>]
  [0.96610 color rgbf <0.0000,0.0000,0.1333,0.0000>]
  [0.98305 color rgbf <0.0000,0.0000,0.1333,0.0000>]
  [0.98305 color rgbf <0.0000,0.0000,0.1137,0.0000>]
  [1.00000 color rgbf <0.0000,0.0000,0.1137,0.0000>]
}