2e:null 2f:["$","title",null,{"children":"Categorical Color Scheme | Jacob Rus | Observable"}] 34:T4ea,{ const fix = (x) => x - (x >= .5) const f = (index) => [fix((dJ * index) % 1), fix((dh * index) % 1)] return svg` ` }35:[] 32:{"id":"f53c0fa663c3ca1e","slug":"categorical","title":"Categorical Color Scheme","thumbnail":"d150f2867556cdba79c29bee79b1f8e9397907aaa51471e74b7c861775992d66","access_level":"public","create_time":"$D2019-05-21T06:36:54.897Z","update_time":"$D2021-03-25T07:12:46.879Z","view_time":null,"first_public_time":"$D2019-05-21T12:11:25.477Z","has_unpublished_edits":null,"fork":false,"stars":18,"starred":false,"owner":{"type":"team","id":"9b8a8e177a49059a","login":"jrus","name":"Jacob Rus","avatar_url":"https://avatars-next.observableusercontent.com/c33dbeed76527c50e64208b0e005e0b6e54a3bef2a14ea6a823f1c7de4867662","tier":"starter_2024"},"version":526,"publish_version":526,"role":null,"authored":false,"authors":[{"type":"individual","id":"ddd7235babc79ce0","login":"jrus","name":"Jacob Rus","avatar_url":"https://avatars-next.observableusercontent.com/c33dbeed76527c50e64208b0e005e0b6e54a3bef2a14ea6a823f1c7de4867662","tier":null}],"members":[{"type":"individual","id":"ddd7235babc79ce0","login":"jrus","name":"Jacob Rus","avatar_url":"https://avatars-next.observableusercontent.com/c33dbeed76527c50e64208b0e005e0b6e54a3bef2a14ea6a823f1c7de4867662","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":6,"collection":{"id":"78a9ed44d00915bb","slug":"color","title":"Color","owner":{"id":"9b8a8e177a49059a","login":"jrus","name":"Jacob Rus"}},"type":"notebook","body":{"title":"Categorical Color Scheme","cells":[{"id":0,"value":"md`# Categorical Color Scheme`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":386,"value":"md`\n#### Warning: still a draft. Subject to change at any time\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":44,"value":"md`\nPick colors in a particular band of lightness, with arbitrary hue, and bright but not overwhelming chroma, trying to keep the colors maximally distinguishable up to a very large number of categories\n\nI should try to add more exposition, diagrams, etc.\n\nOne thing to do is compress hue a bit in the blue–green region; these seem less distinguishable to me than other hue regions in this color space / gamut (possibly because in RGB these colors necessarily have lower chroma).\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":406,"value":"md`Lighter colors:`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"{\nif (navigator.userAgent.match('HeadlessChrome')) return html``;\nconst N = 68;\nreturn svg`\n