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Radar chart

Filled Circular Radar Chart

Visualize multivariate data with filled circular grid background for enhanced visual depth. Features colored circular grid that matches the data series for cohesive design. Built for React applications with Next.js integration and TypeScript support.

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Installation

npx shadcn@latest add https://www.shadcn.io/registry/radar-chart-09.json
npx shadcn@latest add https://www.shadcn.io/registry/radar-chart-09.json
pnpm dlx shadcn@latest add https://www.shadcn.io/registry/radar-chart-09.json
bunx shadcn@latest add https://www.shadcn.io/registry/radar-chart-09.json

Features

  • Filled circular grid with colored background matching the data series
  • Enhanced visual depth with opacity-20 grid fill for subtle background color
  • Cohesive color scheme where grid and data use the same color variable
  • Standard tooltip display showing both labels and values
  • Single data series with moderate fill opacity (0.5) for balance
  • Circular grid type for organic, curved reference lines
  • Responsive design with automatic scaling to fit container
  • TypeScript support with complete type definitions for all props
  • shadcn/ui integration using Chart components

Use Cases

This free open source React component works well for:

  • Rich visual presentations - Enhanced depth with colored grid background
  • Brand-consistent charts - Grid color matches data series for cohesive design
  • Executive dashboards - Professional appearance with subtle color depth
  • Data storytelling - Background color helps emphasize the data area

API Reference

ChartRadarGridCircleFill

PropTypeDefaultDescription
classNamestring-Additional CSS classes for the container

Implementation Notes

  • PolarGrid configured with custom className for fill color and opacity
  • Uses fill-[var(--color-desktop)] opacity-20 for subtle background color
  • Grid type set to "circle" for circular reference lines
  • Tooltip shows both labels and values (no hideLabel prop)
  • Radar series uses 0.5 fill opacity to balance with grid background
  • Color coordination between grid fill and data series for visual harmony
  • Data structure requires category field (month) and numeric values
  • Chart automatically maintains aspect ratio within container
  • Uses Recharts RadarChart with enhanced visual styling
  • Perfect for when you want subtle background color depth
  • Grid fill creates visual foundation that supports the data visualization