style.fill
style.fill(color)A style specification for the background fill of targeted cells.
The style.fill() class is to be used with the tab_style() method, which itself allows for the setting of custom styles to one or more cells. Specifically, the call to style.fill() should be bound to the styles argument of tab_style().
Parameters
- color :- str|- ColumnExpr
- 
The color to use for the cell background fill. This can be any valid CSS color value, such as a hex code, a named color, or an RGB value. 
Returns
- : CellStyleFill
- 
A CellStyleFill object, which is used for a stylesargument if specifying a cell fill value.
Examples
See GT.tab_style().