/* cpt-city: dg/ch20m151010 (cpt) A colour scheme for the display of astronomical intensity images, D. A. Green, Bulletin of the Astronomical Society of India, vol.39, pp. 289–295 (2011) author: Dave Green copyright: Public domain, citation requested year: 2011 url: https://phillips.shef.ac.uk/pub/cpt-city/dg */ linear-gradient( 0deg, rgb( 0, 0, 0) 0.000%, rgb( 0, 1, 0) 0.392%, rgb( 0, 2, 0) 0.784%, rgb( 1, 4, 1) 1.177%, rgb( 1, 5, 1) 1.569%, rgb( 1, 7, 1) 1.961%, rgb( 2, 8, 2) 2.353%, rgb( 3, 9, 2) 2.745%, rgb( 3, 11, 2) 3.137%, rgb( 4, 12, 2) 3.529%, rgb( 5, 13, 2) 3.922%, rgb( 6, 15, 2) 4.314%, rgb( 6, 16, 2) 4.706%, rgb( 7, 17, 2) 5.098%, rgb( 8, 18, 2) 5.490%, rgb( 9, 19, 2) 5.882%, rgb( 11, 20, 2) 6.274%, rgb( 12, 22, 2) 6.667%, rgb( 13, 23, 2) 7.059%, rgb( 14, 24, 2) 7.451%, rgb( 16, 25, 2) 7.843%, rgb( 17, 26, 2) 8.235%, rgb( 19, 26, 2) 8.627%, rgb( 20, 27, 2) 9.020%, rgb( 22, 28, 2) 9.412%, rgb( 24, 29, 2) 9.804%, rgb( 25, 30, 3) 10.196%, rgb( 27, 31, 3) 10.588%, rgb( 29, 31, 3) 10.980%, rgb( 31, 32, 3) 11.373%, rgb( 33, 33, 3) 11.765%, rgb( 35, 33, 4) 12.157%, rgb( 37, 34, 4) 12.549%, rgb( 39, 34, 5) 12.941%, rgb( 41, 35, 5) 13.333%, rgb( 43, 35, 6) 13.726%, rgb( 45, 36, 6) 14.118%, rgb( 48, 36, 7) 14.510%, rgb( 50, 37, 8) 14.902%, rgb( 52, 37, 8) 15.294%, rgb( 54, 38, 9) 15.686%, rgb( 57, 38, 10) 16.078%, rgb( 59, 38, 11) 16.471%, rgb( 61, 39, 12) 16.863%, rgb( 64, 39, 13) 17.255%, rgb( 66, 39, 15) 17.647%, rgb( 68, 39, 16) 18.039%, rgb( 70, 40, 17) 18.431%, rgb( 73, 40, 19) 18.823%, rgb( 75, 40, 20) 19.216%, rgb( 77, 41, 22) 19.608%, rgb( 80, 41, 24) 20.000%, rgb( 82, 41, 25) 20.392%, rgb( 84, 41, 27) 20.784%, rgb( 86, 41, 29) 21.177%, rgb( 88, 42, 31) 21.569%, rgb( 90, 42, 33) 21.961%, rgb( 93, 42, 35) 22.353%, rgb( 95, 42, 37) 22.745%, rgb( 97, 43, 40) 23.137%, rgb( 98, 43, 42) 23.529%, rgb(100, 43, 44) 23.922%, rgb(102, 44, 47) 24.314%, rgb(104, 44, 49) 24.706%, rgb(106, 44, 52) 25.098%, rgb(107, 45, 54) 25.490%, rgb(109, 45, 57) 25.882%, rgb(111, 45, 60) 26.274%, rgb(112, 46, 62) 26.667%, rgb(114, 46, 65) 27.059%, rgb(115, 47, 68) 27.451%, rgb(116, 47, 71) 27.843%, rgb(117, 48, 74) 28.235%, rgb(118, 48, 77) 28.628%, rgb(120, 49, 80) 29.020%, rgb(121, 50, 83) 29.412%, rgb(121, 50, 85) 29.804%, rgb(122, 51, 88) 30.196%, rgb(123, 52, 91) 30.588%, rgb(124, 53, 94) 30.980%, rgb(124, 53, 98) 31.372%, rgb(125, 54, 101) 31.765%, rgb(125, 55, 104) 32.157%, rgb(126, 56, 107) 32.549%, rgb(126, 57, 109) 32.941%, rgb(126, 58, 112) 33.333%, rgb(126, 59, 115) 33.725%, rgb(126, 60, 118) 34.118%, rgb(126, 61, 121) 34.510%, rgb(126, 63, 124) 34.902%, rgb(126, 64, 127) 35.294%, rgb(126, 65, 130) 35.686%, rgb(126, 67, 132) 36.078%, rgb(125, 68, 135) 36.471%, rgb(125, 69, 138) 36.863%, rgb(124, 71, 140) 37.255%, rgb(124, 72, 143) 37.647%, rgb(123, 74, 145) 38.039%, rgb(123, 75, 148) 38.431%, rgb(122, 77, 150) 38.824%, rgb(121, 79, 152) 39.216%, rgb(120, 80, 155) 39.608%, rgb(120, 82, 157) 40.000%, rgb(119, 84, 159) 40.392%, rgb(118, 86, 161) 40.784%, rgb(117, 87, 163) 41.176%, rgb(116, 89, 164) 41.569%, rgb(115, 91, 166) 41.961%, rgb(114, 93, 168) 42.353%, rgb(113, 95, 169) 42.745%, rgb(112, 97, 171) 43.137%, rgb(111, 99, 172) 43.529%, rgb(110, 101, 173) 43.922%, rgb(109, 103, 175) 44.314%, rgb(107, 105, 176) 44.706%, rgb(106, 107, 177) 45.098%, rgb(105, 109, 178) 45.490%, rgb(104, 111, 178) 45.882%, rgb(103, 113, 179) 46.275%, rgb(102, 115, 180) 46.667%, rgb(101, 118, 180) 47.059%, rgb(100, 120, 181) 47.451%, rgb( 99, 122, 181) 47.843%, rgb( 98, 124, 181) 48.235%, rgb( 97, 126, 182) 48.627%, rgb( 96, 128, 182) 49.020%, rgb( 96, 130, 182) 49.412%, rgb( 95, 132, 182) 49.804%, rgb( 94, 134, 181) 50.196%, rgb( 93, 137, 181) 50.588%, rgb( 93, 139, 181) 50.980%, rgb( 92, 141, 180) 51.373%, rgb( 92, 143, 180) 51.765%, rgb( 91, 145, 179) 52.157%, rgb( 91, 147, 179) 52.549%, rgb( 91, 149, 178) 52.941%, rgb( 90, 151, 177) 53.333%, rgb( 90, 153, 177) 53.725%, rgb( 90, 155, 176) 54.118%, rgb( 90, 156, 175) 54.510%, rgb( 90, 158, 174) 54.902%, rgb( 90, 160, 173) 55.294%, rgb( 90, 162, 172) 55.686%, rgb( 91, 164, 171) 56.078%, rgb( 91, 165, 170) 56.471%, rgb( 91, 167, 169) 56.863%, rgb( 92, 169, 167) 57.255%, rgb( 92, 170, 166) 57.647%, rgb( 93, 172, 165) 58.039%, rgb( 94, 173, 164) 58.431%, rgb( 95, 175, 163) 58.824%, rgb( 96, 176, 161) 59.216%, rgb( 97, 178, 160) 59.608%, rgb( 98, 179, 159) 60.000%, rgb( 99, 180, 158) 60.392%, rgb(100, 182, 156) 60.784%, rgb(102, 183, 155) 61.176%, rgb(103, 184, 154) 61.569%, rgb(104, 185, 153) 61.961%, rgb(106, 186, 152) 62.353%, rgb(108, 188, 150) 62.745%, rgb(109, 189, 149) 63.137%, rgb(111, 190, 148) 63.529%, rgb(113, 190, 147) 63.922%, rgb(115, 191, 146) 64.314%, rgb(117, 192, 145) 64.706%, rgb(119, 193, 145) 65.098%, rgb(121, 194, 144) 65.490%, rgb(123, 195, 143) 65.882%, rgb(126, 195, 142) 66.275%, rgb(128, 196, 142) 66.667%, rgb(130, 197, 141) 67.059%, rgb(133, 197, 140) 67.451%, rgb(135, 198, 140) 67.843%, rgb(137, 198, 140) 68.235%, rgb(140, 199, 139) 68.627%, rgb(143, 199, 139) 69.020%, rgb(145, 199, 139) 69.412%, rgb(148, 200, 139) 69.804%, rgb(150, 200, 139) 70.196%, rgb(153, 201, 139) 70.588%, rgb(156, 201, 139) 70.980%, rgb(158, 201, 139) 71.373%, rgb(161, 201, 139) 71.765%, rgb(164, 202, 140) 72.157%, rgb(166, 202, 140) 72.549%, rgb(169, 202, 141) 72.941%, rgb(172, 202, 142) 73.333%, rgb(174, 203, 142) 73.725%, rgb(177, 203, 143) 74.118%, rgb(180, 203, 144) 74.510%, rgb(182, 203, 145) 74.902%, rgb(185, 203, 146) 75.294%, rgb(188, 203, 147) 75.686%, rgb(190, 204, 148) 76.078%, rgb(193, 204, 150) 76.471%, rgb(195, 204, 151) 76.863%, rgb(198, 204, 152) 77.255%, rgb(200, 204, 154) 77.647%, rgb(203, 204, 155) 78.039%, rgb(205, 205, 157) 78.431%, rgb(207, 205, 159) 78.823%, rgb(210, 205, 160) 79.216%, rgb(212, 205, 162) 79.608%, rgb(214, 205, 164) 80.000%, rgb(216, 206, 166) 80.392%, rgb(218, 206, 168) 80.784%, rgb(220, 206, 170) 81.177%, rgb(222, 207, 172) 81.569%, rgb(224, 207, 174) 81.961%, rgb(226, 207, 176) 82.353%, rgb(228, 208, 178) 82.745%, rgb(229, 208, 181) 83.137%, rgb(231, 209, 183) 83.529%, rgb(232, 209, 185) 83.922%, rgb(234, 210, 187) 84.314%, rgb(235, 210, 190) 84.706%, rgb(237, 211, 192) 85.098%, rgb(238, 211, 194) 85.490%, rgb(239, 212, 196) 85.882%, rgb(240, 213, 199) 86.275%, rgb(241, 213, 201) 86.667%, rgb(243, 214, 203) 87.059%, rgb(243, 215, 206) 87.451%, rgb(244, 216, 208) 87.843%, rgb(245, 217, 210) 88.235%, rgb(246, 218, 212) 88.627%, rgb(247, 218, 214) 89.020%, rgb(247, 219, 217) 89.412%, rgb(248, 220, 219) 89.804%, rgb(249, 221, 221) 90.196%, rgb(249, 222, 223) 90.588%, rgb(250, 223, 225) 90.980%, rgb(250, 225, 227) 91.373%, rgb(250, 226, 229) 91.765%, rgb(251, 227, 231) 92.157%, rgb(251, 228, 232) 92.549%, rgb(251, 229, 234) 92.941%, rgb(252, 231, 236) 93.333%, rgb(252, 232, 237) 93.725%, rgb(252, 233, 239) 94.118%, rgb(252, 234, 241) 94.510%, rgb(252, 236, 242) 94.902%, rgb(253, 237, 243) 95.294%, rgb(253, 239, 245) 95.686%, rgb(253, 240, 246) 96.078%, rgb(253, 241, 247) 96.471%, rgb(253, 243, 248) 96.863%, rgb(253, 244, 249) 97.255%, rgb(253, 246, 250) 97.647%, rgb(254, 247, 251) 98.039%, rgb(254, 249, 252) 98.431%, rgb(254, 250, 253) 98.823%, rgb(254, 252, 253) 99.216%, rgb(254, 253, 254) 99.608%, rgb(255, 255, 255) 100.000% );