{
  "gem": {
    "slug": "paul-tol-s-colour-schemes-vg-1213",
    "name": "Paul Tol's Colour Schemes",
    "description": "Technical note defining colour-blind-safe qualitative, sequential and diverging palettes, with values and usage rules.",
    "url": "https://sronpersonalpages.nl/~pault/",
    "domain": "personal.sron.nl",
    "author": "Paul Tol",
    "license": "free",
    "category": "Learning & Craft",
    "subcategory": "Color theory",
    "tags": [
      "color",
      "accessibility",
      "palette",
      "dataviz"
    ],
    "whyGem": "The scientific source most 'accessible palette' tools quietly copy from",
    "sourceType": "site",
    "image": "/api/public/library/og/VG-1213-card.svg",
    "pageUrl": "https://vibing.inc/library/paul-tol-s-colour-schemes-vg-1213"
  }
}