title font

Specifies font options for the axis title.

Type: Object

color

Specifies the color of the axis title.

Type: String
Default Value: '#767676'

This option supports the following colors.

family

Specifies a font family for the axis title.

Type: String
Default Value: ''Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana'

For details on acceptable values, refer to the Font family article.

opacity

Specifies how transparent the axis title should be.

Type: Number
Default Value: undefined

This option accepts a value from 0 to 1, where 0 makes the axis title completely transparent, and 1 makes it opaque.

size

Specifies a font size for the axis title.

Type: Number|String
Default Value: 16

For details on acceptable values, refer to the Font size article.

weight

Specifies a font weight for the axis title.

Type: Number
Default Value: 400