A circular gauge supports gradient and multi-color fills on its range element, enabling vivid spectrum or heatmap-style visualizations on a radial dial. Combined with markers and labeled ticks, this creates a powerful color-reference tool.
This sample renders a full 360-degree color spectrum on the gauge range, cycling through red, orange, yellow, green, cyan, blue, violet, and back to red. Twelve triangle-down markers sit outside the ring at every 30 degrees, each colored to match its position on the spectrum. Axis labels display the degree value, while major and minor ticks subdivide the circle at 30-degree and 10-degree intervals respectively.
Follow the step-by-step Circular Gauge Chart Tutorial to learn how such gauges are built. See the Circular Gauge documentation for all configuration options.