/// Get a random rgb[a] color
/// @param {Boolean} $alpha [false] - if true, randomize the alpha value in addition to the rgb
/// @return {Color} rgb or rgba if `$alpha` is true
/// @group color
@function o-random-color($alpha: false) {
  @if ($alpha == true) {
    @return rgba(random(256)-1, random(256)-1, random(256)-1, random(100) / 100);
  }
  @return rgb(random(256)-1, random(256)-1, random(256)-1);
}

/// @alias o-random-color
@function o-rand-color($alpha) {
  @return o-random-color($alpha);
}