# Fonts and colors
const config = { type: 'treemap', data: { datasets: [ { label: 'Fruits', tree: DATA, key: 'value', borderWidth: 0, borderRadius: 6, spacing: 1, backgroundColor(ctx) { if (ctx.type !== 'data') { return 'transparent'; } return ctx.raw._data.color; }, labels: { align: 'left', display: true, formatter(ctx) { if (ctx.type !== 'data') { return; } return [ctx.raw._data.what, 'Value is ' + ctx.raw.v]; }, color: ['white', 'whiteSmoke'], font: [{size: 20, weight: 'bold'}, {size: 12}], position: 'top' } } ], }, options: { events: [], plugins: { title: { display: true, text: 'Different fonts and colors on labels' }, legend: { display: false }, tooltip: { enabled: false } } } };