Specifies font options for the axis title.
Specifies the color of the axis title.
This option supports the following colors:
- Hexadecimal colors
- RGB colors
- RGBA colors
- Predefined/cross-browser color names
- Predefined SVG colors
Specifies a font family for the axis title.
For details on acceptable values, refer to the Font family article.
Specifies how transparent the axis title should be.
This option accepts a value from 0 to 1, where 0 makes the axis title completely transparent, and 1 makes it opaque.
Specifies the axis title's font size.