Point labels are the labels that are displayed around the radial chart, at each angle line. Tick labels are placed inside the chart over the first angle line and have a backdrop. Point labels are configured with the scale.pointLabels property, which is an object with the following properties:

Property	Value	Description
`display`	`true` (default in radar) or `false` (default in polar area)	Displays or hides the axis labels
`callback`	Function; default is `d=>d`	Returns the value label for each point
`fontColor`, `fontFamily`, `fontStyle`	Strings containing CSS font attributes	Font attributes
`fontSize`	Number	Font size in pixels

Properties for point label configuration in radial axes

You can hide pointLabels using display:false in a radial chart (see the following diagram). If you are using a polar area chart, you can use display:true if you want to make them visible. See Radial/radial-1-pointLabels-hide.html and radial-2-pointLabels-polar.html.

The following code uses some other pointLabel properties to change the color of the labels in a radar chart and uses a callback to append text to each label:

scale: {
     pointLabels: { callback: (d) => 'Step ' + d, fontColor: 'red'}
 }

See the full code in Radial/radial-3-pointLabels-callback.html. The result is shown as follows:

Radial scales point labels configuration. Left: Hiding labels with scale.pointLabels.display = false. Right: Changing color and appending text with a callback. Code: Radial/radial-1-pointLabels-hide.html and radial-3-pointLabels-callback.html.