Table - Style Certain rows or cell can easily be styled based on conditions.
{{col.header}} {{rowData[col.field]}}
View on GitHub

@Component({
    templateUrl: './tablestyledemo.html',
    styles: [`
        .old-car {
            background-color: #1CA979 !important;
            color: #ffffff !important;
        }

        .very-old-car {
            background-color: #2CA8B1 !important;
            color: #ffffff !important;
        }
    `
    ]
})
export class TableStyleDemo implements OnInit {

    cars: Car[];

    cols: any[];

    constructor(private carService: CarService) { }

    ngOnInit() {
        this.carService.getCarsSmall().then(cars => this.cars = cars);

        this.cols = [
            { field: 'vin', header: 'Vin' },
            { field: 'year', header: 'Year' },
            { field: 'brand', header: 'Brand' },
            { field: 'color', header: 'Color' }
        ];
    }
}

View on GitHub

<p-table [columns]="cols" [value]="cars">
    <ng-template pTemplate="header" let-columns>
        <tr>
            <th *ngFor="let col of columns">
                {{col.header}}
            </th>
        </tr>
    </ng-template>
    <ng-template pTemplate="body" let-rowData let-columns="columns">
        <tr [ngClass]="rowData.year > 2010 ? 'new-car' : null">
            <td *ngFor="let col of columns" [ngClass]="rowData[col.field] <= 2010 ? 'old-car' : null">
                {{rowData[col.field]}}
            </td>
        </tr>
    </ng-template>
</p-table>