vue-material/src/components/mdTable/mdTable.theme

.THEME_NAME {
  .md-table,
  &.md-table {
  }

  .md-table-card,
  &.md-table-card {
    .md-toolbar {
      background-color: #{'BACKGROUND-COLOR-A100'};
      color: #{'BACKGROUND-CONTRAST-A100'};
    }
  }
}