Proposal for an API to get the list of color schemes and ranges of acceptable color numbers.
Built with blockbuilder.org
<!DOCTYPE html>
<meta charset="utf-8">
<script src="//d3js.org/d3.v4.0.0-alpha.44.min.js"></script>
<script src="d3-scale-chromatic.v0.0.js"></script>
<body>
<script>
d3_scale_chromatic.schemes.forEach(function(scheme) {
var sch = scheme.replace(/scheme/, '');
d3.select('body').append('h4').text('d3.'+scheme);
d3.select('body').append('div').text('Returns the '+sch+' color scheme with n colors; n must be in the range ['+ d3_scale_chromatic[scheme].range() + '].')
});
</script>
</body>(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.d3_scale_chromatic = global.d3_scale_chromatic || {})));
}(this, function (exports) { 'use strict';
var version = "0.0.1";
function scheme(ranges) {
ranges = ranges.map(function(colors) {
return colors.match(/.{6}/g).map(function(x) {
return "#" + x;
});
});
var n0 = ranges[0].length;
var o = function(n) {
return ranges[n - n0];
};
o.range = function() {
return [ranges[0].length, ranges[ranges.length-1].length];
};
return o;
}
var accent = scheme([
"7fc97fbeaed4fdc086",
"7fc97fbeaed4fdc086ffff99",
"7fc97fbeaed4fdc086ffff99386cb0",
"7fc97fbeaed4fdc086ffff99386cb0f0027f",
"7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17",
"7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"
]);
var blues = scheme([
"deebf79ecae13182bd",
"eff3ffbdd7e76baed62171b5",
"eff3ffbdd7e76baed63182bd08519c",
"eff3ffc6dbef9ecae16baed63182bd08519c",
"eff3ffc6dbef9ecae16baed64292c62171b5084594",
"f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594",
"f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b"
]);
var brBG = scheme([
"d8b365f5f5f55ab4ac",
"a6611adfc27d80cdc1018571",
"a6611adfc27df5f5f580cdc1018571",
"8c510ad8b365f6e8c3c7eae55ab4ac01665e",
"8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e",
"8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e",
"8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e",
"5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30",
"5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30"
]);
var buGn = scheme([
"e5f5f999d8c92ca25f",
"edf8fbb2e2e266c2a4238b45",
"edf8fbb2e2e266c2a42ca25f006d2c",
"edf8fbccece699d8c966c2a42ca25f006d2c",
"edf8fbccece699d8c966c2a441ae76238b45005824",
"f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824",
"f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b"
]);
var buPu = scheme([
"e0ecf49ebcda8856a7",
"edf8fbb3cde38c96c688419d",
"edf8fbb3cde38c96c68856a7810f7c",
"edf8fbbfd3e69ebcda8c96c68856a7810f7c",
"edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b",
"f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b",
"f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b"
]);
var dark2 = scheme([
"1b9e77d95f027570b3",
"1b9e77d95f027570b3e7298a",
"1b9e77d95f027570b3e7298a66a61e",
"1b9e77d95f027570b3e7298a66a61ee6ab02",
"1b9e77d95f027570b3e7298a66a61ee6ab02a6761d",
"1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"
]);
var gnBu = scheme([
"e0f3dba8ddb543a2ca",
"f0f9e8bae4bc7bccc42b8cbe",
"f0f9e8bae4bc7bccc443a2ca0868ac",
"f0f9e8ccebc5a8ddb57bccc443a2ca0868ac",
"f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e",
"f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e",
"f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081"
]);
var greens = scheme([
"e5f5e0a1d99b31a354",
"edf8e9bae4b374c476238b45",
"edf8e9bae4b374c47631a354006d2c",
"edf8e9c7e9c0a1d99b74c47631a354006d2c",
"edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32",
"f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32",
"f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b"
]);
var greys = scheme([
"f0f0f0bdbdbd636363",
"f7f7f7cccccc969696525252",
"f7f7f7cccccc969696636363252525",
"f7f7f7d9d9d9bdbdbd969696636363252525",
"f7f7f7d9d9d9bdbdbd969696737373525252252525",
"fffffff0f0f0d9d9d9bdbdbd969696737373525252252525",
"fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000"
]);
var orRd = scheme([
"fee8c8fdbb84e34a33",
"fef0d9fdcc8afc8d59d7301f",
"fef0d9fdcc8afc8d59e34a33b30000",
"fef0d9fdd49efdbb84fc8d59e34a33b30000",
"fef0d9fdd49efdbb84fc8d59ef6548d7301f990000",
"fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000",
"fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000"
]);
var oranges = scheme([
"fee6cefdae6be6550d",
"feeddefdbe85fd8d3cd94701",
"feeddefdbe85fd8d3ce6550da63603",
"feeddefdd0a2fdae6bfd8d3ce6550da63603",
"feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04",
"fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04",
"fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704"
]);
var pRGn = scheme([
"af8dc3f7f7f77fbf7b",
"7b3294c2a5cfa6dba0008837",
"7b3294c2a5cff7f7f7a6dba0008837",
"762a83af8dc3e7d4e8d9f0d37fbf7b1b7837",
"762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837",
"762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837",
"762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837",
"40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b",
"40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b"
]);
var paired = scheme([
"a6cee31f78b4b2df8a",
"a6cee31f78b4b2df8a33a02c",
"a6cee31f78b4b2df8a33a02cfb9a99",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1c",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6f",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d6",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9a",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99",
"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"
]);
var pastel1 = scheme([
"fbb4aeb3cde3ccebc5",
"fbb4aeb3cde3ccebc5decbe4",
"fbb4aeb3cde3ccebc5decbe4fed9a6",
"fbb4aeb3cde3ccebc5decbe4fed9a6ffffcc",
"fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bd",
"fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaec",
"fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2"
]);
var pastel2 = scheme([
"b3e2cdfdcdaccbd5e8",
"b3e2cdfdcdaccbd5e8f4cae4",
"b3e2cdfdcdaccbd5e8f4cae4e6f5c9",
"b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2ae",
"b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cc",
"b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc"
]);
var piYG = scheme([
"e9a3c9f7f7f7a1d76a",
"d01c8bf1b6dab8e1864dac26",
"d01c8bf1b6daf7f7f7b8e1864dac26",
"c51b7de9a3c9fde0efe6f5d0a1d76a4d9221",
"c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221",
"c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221",
"c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221",
"8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419",
"8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419"
]);
var puBuGn = scheme([
"ece2f0a6bddb1c9099",
"f6eff7bdc9e167a9cf02818a",
"f6eff7bdc9e167a9cf1c9099016c59",
"f6eff7d0d1e6a6bddb67a9cf1c9099016c59",
"f6eff7d0d1e6a6bddb67a9cf3690c002818a016450",
"fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450",
"fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636"
]);
var puBu = scheme([
"ece7f2a6bddb2b8cbe",
"f1eef6bdc9e174a9cf0570b0",
"f1eef6bdc9e174a9cf2b8cbe045a8d",
"f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d",
"f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b",
"fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b",
"fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858"
]);
var puOr = scheme([
"f1a340f7f7f7998ec3",
"e66101fdb863b2abd25e3c99",
"e66101fdb863f7f7f7b2abd25e3c99",
"b35806f1a340fee0b6d8daeb998ec3542788",
"b35806f1a340fee0b6f7f7f7d8daeb998ec3542788",
"b35806e08214fdb863fee0b6d8daebb2abd28073ac542788",
"b35806e08214fdb863fee0b6f7f7f7d8daebb2abd28073ac542788",
"7f3b08b35806e08214fdb863fee0b6d8daebb2abd28073ac5427882d004b",
"7f3b08b35806e08214fdb863fee0b6f7f7f7d8daebb2abd28073ac5427882d004b"
]);
var puRd = scheme([
"e7e1efc994c7dd1c77",
"f1eef6d7b5d8df65b0ce1256",
"f1eef6d7b5d8df65b0dd1c77980043",
"f1eef6d4b9dac994c7df65b0dd1c77980043",
"f1eef6d4b9dac994c7df65b0e7298ace125691003f",
"f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f",
"f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f"
]);
var purples = scheme([
"efedf5bcbddc756bb1",
"f2f0f7cbc9e29e9ac86a51a3",
"f2f0f7cbc9e29e9ac8756bb154278f",
"f2f0f7dadaebbcbddc9e9ac8756bb154278f",
"f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486",
"fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486",
"fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d"
]);
var rdBu = scheme([
"ef8a62f7f7f767a9cf",
"ca0020f4a58292c5de0571b0",
"ca0020f4a582f7f7f792c5de0571b0",
"b2182bef8a62fddbc7d1e5f067a9cf2166ac",
"b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac",
"b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac",
"b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac",
"67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061",
"67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061"
]);
var rdGy = scheme([
"ef8a62ffffff999999",
"ca0020f4a582bababa404040",
"ca0020f4a582ffffffbababa404040",
"b2182bef8a62fddbc7e0e0e09999994d4d4d",
"b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d",
"b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d",
"b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d",
"67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a",
"67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a"
]);
var rdPu = scheme([
"fde0ddfa9fb5c51b8a",
"feebe2fbb4b9f768a1ae017e",
"feebe2fbb4b9f768a1c51b8a7a0177",
"feebe2fcc5c0fa9fb5f768a1c51b8a7a0177",
"feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177",
"fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177",
"fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a"
]);
var rdYlBu = scheme([
"fc8d59ffffbf91bfdb",
"d7191cfdae61abd9e92c7bb6",
"d7191cfdae61ffffbfabd9e92c7bb6",
"d73027fc8d59fee090e0f3f891bfdb4575b4",
"d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4",
"d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4",
"d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4",
"a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695",
"a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695"
]);
var rdYlGn = scheme([
"fc8d59ffffbf91cf60",
"d7191cfdae61a6d96a1a9641",
"d7191cfdae61ffffbfa6d96a1a9641",
"d73027fc8d59fee08bd9ef8b91cf601a9850",
"d73027fc8d59fee08bffffbfd9ef8b91cf601a9850",
"d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850",
"d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850",
"a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837",
"a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837"
]);
var reds = scheme([
"fee0d2fc9272de2d26",
"fee5d9fcae91fb6a4acb181d",
"fee5d9fcae91fb6a4ade2d26a50f15",
"fee5d9fcbba1fc9272fb6a4ade2d26a50f15",
"fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d",
"fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d",
"fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d"
]);
var set1 = scheme([
"e41a1c377eb84daf4a",
"e41a1c377eb84daf4a984ea3",
"e41a1c377eb84daf4a984ea3ff7f00",
"e41a1c377eb84daf4a984ea3ff7f00ffff33",
"e41a1c377eb84daf4a984ea3ff7f00ffff33a65628",
"e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf",
"e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999"
]);
var set2 = scheme([
"66c2a5fc8d628da0cb",
"66c2a5fc8d628da0cbe78ac3",
"66c2a5fc8d628da0cbe78ac3a6d854",
"66c2a5fc8d628da0cbe78ac3a6d854ffd92f",
"66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494",
"66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"
]);
var set3 = scheme([
"8dd3c7ffffb3bebada",
"8dd3c7ffffb3bebadafb8072",
"8dd3c7ffffb3bebadafb807280b1d3",
"8dd3c7ffffb3bebadafb807280b1d3fdb462",
"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69",
"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5",
"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9",
"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bd",
"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5",
"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"
]);
var spectral = scheme([
"fc8d59ffffbf99d594",
"d7191cfdae61abdda42b83ba",
"d7191cfdae61ffffbfabdda42b83ba",
"d53e4ffc8d59fee08be6f59899d5943288bd",
"d53e4ffc8d59fee08bffffbfe6f59899d5943288bd",
"d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd",
"d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd",
"9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2",
"9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2"
]);
var ylGnBu = scheme([
"edf8b17fcdbb2c7fb8",
"ffffcca1dab441b6c4225ea8",
"ffffcca1dab441b6c42c7fb8253494",
"ffffccc7e9b47fcdbb41b6c42c7fb8253494",
"ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84",
"ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84",
"ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58"
]);
var ylGn = scheme([
"f7fcb9addd8e31a354",
"ffffccc2e69978c679238443",
"ffffccc2e69978c67931a354006837",
"ffffccd9f0a3addd8e78c67931a354006837",
"ffffccd9f0a3addd8e78c67941ab5d238443005a32",
"ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32",
"ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529"
]);
var ylOrBr = scheme([
"fff7bcfec44fd95f0e",
"ffffd4fed98efe9929cc4c02",
"ffffd4fed98efe9929d95f0e993404",
"ffffd4fee391fec44ffe9929d95f0e993404",
"ffffd4fee391fec44ffe9929ec7014cc4c028c2d04",
"ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04",
"ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506"
]);
var ylOrRd = scheme([
"ffeda0feb24cf03b20",
"ffffb2fecc5cfd8d3ce31a1c",
"ffffb2fecc5cfd8d3cf03b20bd0026",
"ffffb2fed976feb24cfd8d3cf03b20bd0026",
"ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026",
"ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026",
"ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026"
]);
exports.schemeAccent = accent;
exports.schemeBlues = blues;
exports.schemeBrBG = brBG;
exports.schemeBuGn = buGn;
exports.schemeBuPu = buPu;
exports.schemeDark2 = dark2;
exports.schemeGnBu = gnBu;
exports.schemeGreens = greens;
exports.schemeGreys = greys;
exports.schemeOrRd = orRd;
exports.schemeOranges = oranges;
exports.schemePRGn = pRGn;
exports.schemePaired = paired;
exports.schemePastel1 = pastel1;
exports.schemePastel2 = pastel2;
exports.schemePiYG = piYG;
exports.schemePuBuGn = puBuGn;
exports.schemePuBu = puBu;
exports.schemePuOr = puOr;
exports.schemePuRd = puRd;
exports.schemePurples = purples;
exports.schemeRdBu = rdBu;
exports.schemeRdGy = rdGy;
exports.schemeRdPu = rdPu;
exports.schemeRdYlBu = rdYlBu;
exports.schemeRdYlGn = rdYlGn;
exports.schemeReds = reds;
exports.schemeSet1 = set1;
exports.schemeSet2 = set2;
exports.schemeSet3 = set3;
exports.schemeSpectral = spectral;
exports.schemeYlGnBu = ylGnBu;
exports.schemeYlGn = ylGn;
exports.schemeYlOrBr = ylOrBr;
exports.schemeYlOrRd = ylOrRd;
var schemes = [];
for (var i in exports) {
schemes.push(i);
}
exports.version = version;
exports.schemes = schemes;
}));