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

.THEME_NAME {
  &.md-progress {
    background-color: #{'PRIMARY-COLOR-0.38'};

    &:not(.md-indeterminate) .md-progress-track {
      background-color: #{'PRIMARY-COLOR'};
    }

    .md-progress-track {
      &:after,
      &:before {
        background-color: #{'PRIMARY-COLOR'};
      }
    }

    &.md-accent {
      background-color: #{'ACCENT-COLOR-0.38'};

      &:not(.md-indeterminate) .md-progress-track {
        background-color: #{'ACCENT-COLOR'};
      }

      .md-progress-track {
        &:after,
        &:before {
          background-color: #{'ACCENT-COLOR'};
        }
      }
    }

    &.md-warn {
      background-color: #{'WARN-COLOR-0.38'};

      &:not(.md-indeterminate) .md-progress-track {
        background-color: #{'WARN-COLOR'};
      }

      .md-progress-track {
        &:after,
        &:before {
          background-color: #{'WARN-COLOR'};
        }
      }
    }
  }
}