/*
  cpt-city: jjg/physics/bbrad (cpt)

  cpt version of the black-body radiation spectrum (Kelvin)
  calculated using a modified version of the program specrend.c
  by John Walker (http://www.fourmilab.ch/)

  author: J.J. Green
  copyright: Public domain
  year: 2004
  url: https://phillips.shef.ac.uk/pub/cpt-city/jjg/physics
*/
linear-gradient(
  0deg,
  rgb(255,   1,   0)   0.000%,
  rgb(255,  14,   0)   2.222%,
  rgb(255,  26,   0)   4.444%,
  rgb(255,  37,   0)   6.667%,
  rgb(255,  48,   0)   8.889%,
  rgb(255,  59,   2)  11.111%,
  rgb(255,  71,   7)  13.333%,
  rgb(255,  83,  13)  15.556%,
  rgb(255,  94,  21)  17.778%,
  rgb(255, 105,  29)  20.000%,
  rgb(255, 116,  38)  22.222%,
  rgb(255, 126,  48)  24.444%,
  rgb(255, 136,  59)  26.667%,
  rgb(255, 145,  70)  28.889%,
  rgb(255, 154,  82)  31.111%,
  rgb(255, 162,  94)  33.333%,
  rgb(255, 170, 107)  35.556%,
  rgb(255, 178, 119)  37.778%,
  rgb(255, 185, 132)  40.000%,
  rgb(255, 192, 145)  42.222%,
  rgb(255, 199, 158)  44.444%,
  rgb(255, 205, 171)  46.667%,
  rgb(255, 211, 184)  48.889%,
  rgb(255, 217, 197)  51.111%,
  rgb(255, 222, 210)  53.333%,
  rgb(255, 227, 222)  55.556%,
  rgb(255, 232, 234)  57.778%,
  rgb(255, 237, 246)  60.000%,
  rgb(253, 239, 255)  62.222%,
  rgb(242, 233, 255)  64.444%,
  rgb(232, 227, 255)  66.667%,
  rgb(223, 222, 255)  68.889%,
  rgb(215, 217, 255)  71.111%,
  rgb(208, 212, 255)  73.333%,
  rgb(201, 208, 255)  75.556%,
  rgb(195, 204, 255)  77.778%,
  rgb(189, 201, 255)  80.000%,
  rgb(184, 197, 255)  82.222%,
  rgb(179, 194, 255)  84.444%,
  rgb(175, 191, 255)  86.667%,
  rgb(170, 188, 255)  88.889%,
  rgb(167, 186, 255)  91.111%,
  rgb(163, 183, 255)  93.333%,
  rgb(160, 181, 255)  95.556%,
  rgb(157, 179, 255)  97.778%,
  rgb(154, 177, 255) 100.000%
);