/*
  cpt-city: jm/ad/ad-d (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
*/
linear-gradient(
  0deg,
  rgb(  0,   1,  59)   0.000%,
  rgb(  0,   1,  59)   1.695%,
  rgb(  0,   1,  64)   1.695%,
  rgb(  0,   1,  64)   3.390%,
  rgb(  0,   1,  69)   3.390%,
  rgb(  0,   1,  69)   5.085%,
  rgb(  0,   1,  74)   5.085%,
  rgb(  0,   1,  74)   6.780%,
  rgb(  1,   6,  79)   6.780%,
  rgb(  1,   6,  79)   8.475%,
  rgb(  5,  10,  84)   8.475%,
  rgb(  5,  10,  84)  10.169%,
  rgb(  9,  22,  89)  10.169%,
  rgb(  9,  22,  89)  11.864%,
  rgb( 14,  26,  94)  11.864%,
  rgb( 14,  26,  94)  13.559%,
  rgb( 18,  31,  99)  13.559%,
  rgb( 18,  31,  99)  15.254%,
  rgb( 22,  35, 104)  15.254%,
  rgb( 22,  35, 104)  16.949%,
  rgb( 27,  40, 109)  16.949%,
  rgb( 27,  40, 109)  18.644%,
  rgb( 31,  44, 114)  18.644%,
  rgb( 31,  44, 114)  20.339%,
  rgb( 36,  49, 119)  20.339%,
  rgb( 36,  49, 119)  22.034%,
  rgb( 40,  53, 124)  22.034%,
  rgb( 40,  53, 124)  23.729%,
  rgb( 45,  58, 129)  23.729%,
  rgb( 45,  58, 129)  25.424%,
  rgb( 50,  63, 134)  25.424%,
  rgb( 50,  63, 134)  27.119%,
  rgb( 54,  68, 139)  27.119%,
  rgb( 54,  68, 139)  28.814%,
  rgb( 58,  72, 144)  28.814%,
  rgb( 58,  72, 144)  30.509%,
  rgb( 63,  77, 149)  30.509%,
  rgb( 63,  77, 149)  32.203%,
  rgb( 68,  81, 154)  32.203%,
  rgb( 68,  81, 154)  33.898%,
  rgb( 73,  86, 159)  33.898%,
  rgb( 73,  86, 159)  35.593%,
  rgb( 77,  91, 164)  35.593%,
  rgb( 77,  91, 164)  37.288%,
  rgb( 82,  96, 169)  37.288%,
  rgb( 82,  96, 169)  38.983%,
  rgb( 84,  98, 174)  38.983%,
  rgb( 84,  98, 174)  40.678%,
  rgb( 87, 102, 179)  40.678%,
  rgb( 87, 102, 179)  42.373%,
  rgb( 88, 101, 184)  42.373%,
  rgb( 88, 101, 184)  44.068%,
  rgb( 87, 101, 188)  44.068%,
  rgb( 87, 101, 188)  45.763%,
  rgb( 87, 104, 191)  45.763%,
  rgb( 87, 104, 191)  47.458%,
  rgb( 88, 102, 196)  47.458%,
  rgb( 88, 102, 196)  49.153%,
  rgb( 88, 103, 200)  49.153%,
  rgb( 88, 103, 200)  50.847%,
  rgb( 88, 101, 204)  50.847%,
  rgb( 88, 101, 204)  52.542%,
  rgb( 93, 106, 209)  52.542%,
  rgb( 93, 106, 209)  54.237%,
  rgb( 98, 111, 214)  54.237%,
  rgb( 98, 111, 214)  55.932%,
  rgb(103, 115, 219)  55.932%,
  rgb(103, 115, 219)  57.627%,
  rgb(108, 120, 224)  57.627%,
  rgb(108, 120, 224)  59.322%,
  rgb(112, 125, 229)  59.322%,
  rgb(112, 125, 229)  61.017%,
  rgb(117, 130, 234)  61.017%,
  rgb(117, 130, 234)  62.712%,
  rgb(117, 138, 234)  62.712%,
  rgb(117, 138, 234)  64.407%,
  rgb(117, 141, 234)  64.407%,
  rgb(117, 141, 234)  66.102%,
  rgb(117, 146, 234)  66.102%,
  rgb(117, 146, 234)  67.797%,
  rgb(117, 149, 234)  67.797%,
  rgb(117, 149, 234)  69.492%,
  rgb(117, 157, 234)  69.492%,
  rgb(117, 157, 234)  71.186%,
  rgb(117, 163, 234)  71.186%,
  rgb(117, 163, 234)  72.881%,
  rgb(117, 168, 234)  72.881%,
  rgb(117, 168, 234)  74.576%,
  rgb(117, 177, 234)  74.576%,
  rgb(117, 177, 234)  76.271%,
  rgb(117, 182, 234)  76.271%,
  rgb(117, 182, 234)  77.966%,
  rgb(117, 188, 234)  77.966%,
  rgb(117, 188, 234)  79.661%,
  rgb(117, 196, 234)  79.661%,
  rgb(117, 196, 234)  81.356%,
  rgb(117, 201, 234)  81.356%,
  rgb(117, 201, 234)  83.051%,
  rgb(117, 207, 234)  83.051%,
  rgb(117, 207, 234)  84.746%,
  rgb(117, 215, 234)  84.746%,
  rgb(117, 215, 234)  86.441%,
  rgb(113, 223, 234)  86.441%,
  rgb(113, 223, 234)  88.136%,
  rgb(110, 229, 234)  88.136%,
  rgb(110, 229, 234)  89.831%,
  rgb(106, 234, 234)  89.831%,
  rgb(106, 234, 234)  91.525%,
  rgb(106, 234, 225)  91.525%,
  rgb(106, 234, 225)  93.220%,
  rgb(106, 234, 219)  93.220%,
  rgb(106, 234, 219)  94.915%,
  rgb(106, 234, 210)  94.915%,
  rgb(106, 234, 210)  96.610%,
  rgb(106, 234, 204)  96.610%,
  rgb(106, 234, 204)  98.305%,
  rgb(106, 234, 198)  98.305%,
  rgb(106, 234, 198) 100.000%
);