AxisLine

The appearance settings for the axis lines.
Affects the major and minor axis ticks, but not the grid lines
(see example).

color? string

The color of the lines. Accepts a valid CSS color string, including hex and rgb.
Setting the color option affects the major and minor axis ticks, but not the grid lines.

dashType? DashType

The dash type of the line.

visible? boolean

If set to true, the Chart displays the axis lines.
By default, the axis lines are visible.

width? number

The width of the line in pixels.
Affects the major and minor axis ticks, but not the grid lines.