color-options.scss

// add more color options to the product form
// whatever comes after color- needs to be the variant color for the product
#product .product-form {

  .swatch {

    // example of a color blue
    &.color-blue {
      background-color: blue;
    }

    // example of a color red
    &.color-red {
      background-color: #ff0000;
    }

  }
}