The fill information object which is used to draw the background of data cell.
It is used as Grid Styles property. When specify property value, it will specify as string or number and create or reuse as an appropriate fill object internally. You do not need to directly create this class object. Please refer to Fill And Stroke page.
colum.setStyles({
// solid fill
background: '#ff0000'
// solid text fill
color: '#ff00ff00'
// linear gradient fill
shapeColor: 'linear,#ffffff,#f0f0f0,90'
});
// solid fill
column.styles().setBackground(0xff00ff00);