brightness property

double? brightness
getter/setter pair

How much to brighten the point on interaction. Requires the main color to be defined in hex or rgb(a) format.

In styled mode, the hover brightening is by default replaced with a fill-opacity set in the .highcharts-point:hover rule.

API Docs: https://api.highcharts.com/highcharts/series.columnpyramid.states.hover.brightness

Implementation

double? brightness;