palettes.js

function colors(specifier) {
  var n = specifier.length / 6 | 0, colors = new Array(n), i = 0;
  while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6);
  return colors;
}

export var category20 = colors(
  '1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5'
);

export var category20b = colors(
  '393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6'
);

export var category20c = colors(
  '3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9'
);

export var tableau10 = colors(
  '4c78a8f58518e4575672b7b254a24beeca3bb279a2ff9da69d755dbab0ac'
);

export var tableau20 = colors(
  '4c78a89ecae9f58518ffbf7954a24b88d27ab79a20f2cf5b43989483bcb6e45756ff9d9879706ebab0acd67195fcbfd2b279a2d6a5c99e765fd8b5a5'
);

export var blueOrange = new Array(3).concat(
  "67a9cff7f7f7f1a340",
  "0571b092c5defdb863e66101",
  "0571b092c5def7f7f7fdb863e66101",
  "2166ac67a9cfd1e5f0fee0b6f1a340b35806",
  "2166ac67a9cfd1e5f0f7f7f7fee0b6f1a340b35806",
  "2166ac4393c392c5ded1e5f0fee0b6fdb863e08214b35806",
  "2166ac4393c392c5ded1e5f0f7f7f7fee0b6fdb863e08214b35806",
  "0530612166ac4393c392c5ded1e5f0fee0b6fdb863e08214b358067f3b08",
  "0530612166ac4393c392c5ded1e5f0f7f7f7fee0b6fdb863e08214b358067f3b08"
).map(colors);