productiontableStyle(column) {
    if(column.columnIndex === 4 || column.columnIndex === 5||
     column.columnIndex === 8|| column.columnIndex === 9||
      column.columnIndex === 12|| column.columnIndex === 13||
      column.columnIndex === 16|| column.columnIndex === 17||column.columnIndex === 18) {
        return {"background":"#f2f8fe","color": "#1989fa"} 
    }
},

 <el-table :data="tableData" style="width: 100%" :span-method="objectSpanMethod" :cell-style="productiontableStyle">
      <el-table-column align="center" label="" prop="bigCategoryName" fixed></el-table-column>
      <el-table-column align="center" label="" prop="smallCategoryName" fixed></el-table-column>
</el-table>