sogo/UI/WebServerResources/scss/components/radioButton/radio-button-theme.scss

md-radio-button.md-THEME_NAME-theme {
  .md-off {
    border-color: '{{foreground-2}}';
  }

  .md-on {
    background-color: '{{accent-color-0.87}}';
  }
  &.md-checked .md-off {
    border-color: '{{accent-color-0.87}}';
  }
  &.md-checked .md-ink-ripple {
    color: '{{accent-color-0.87}}';
  }
  .md-container .md-ripple {
    color: '{{accent-600}}';
  }

  &:not([disabled]) {

    &.md-warn {
      .md-on {
        background-color: '{{warn-color-0.87}}';
      }
      &.md-checked .md-off {
        border-color: '{{warn-color-0.87}}';
      }
      &.md-checked .md-ink-ripple {
        color: '{{warn-color-0.87}}';
      }
      .md-container .md-ripple {
        color: '{{warn-600}}';
      }
    }

    &.md-primary {
      .md-on {
        background-color: '{{primary-color-0.87}}';
      }
      &.md-checked .md-off {
        border-color: '{{primary-color-0.87}}';
      }
      &.md-checked .md-ink-ripple {
        color: '{{primary-color-0.87}}';
      }
      .md-container .md-ripple {
        color: '{{primary-600}}';
      }
    }

  }

  &[disabled] {
    .md-container .md-off {
      border-color: '{{foreground-3}}';
    }
    .md-container .md-on {
      border-color: '{{foreground-3}}';
    }
  }

}


md-radio-group.md-THEME_NAME-theme:focus:not(:empty) {
  border-color: '{{foreground-1}}';
}