Set background color to resource row and auto choose white or black text color.

Add to your resource file:

use Upline\RowBackground\RowBackground;

and field to fields section

RowBackground::make('Background color')->onlyOnIndex();

or (to set text color)

 RowBackground::make('Background color', function ($model) {
    return new RowBackgroundData($model->background_color, $model->text_color);
})->onlyOnIndex();

Note:
This package works pretty tricky:
It deletes a column that nova adds to index view.
If you know better ways to set row styles, please write me.