function rgbToColorString(color) {
    if (typeof color === 'object' && typeof color.red === 'number' && typeof color.green === 'number' && typeof color.blue === 'number') {
      if (typeof color.alpha === 'number') {
        return rgba({
          red: color.red,
          green: color.green,
          blue: color.blue,
          alpha: color.alpha
        });
      }
      return rgb({
        red: color.red,
        green: color.green,
        blue: color.blue
      });
    }
    throw new PolishedError(46);
  }
Converts a RgbColor or RgbaColor object to a color string.
This util is useful in case you only know on runtime which color object is
used. Otherwise we recommend to rely on `rgb` or `rgba`.

@example
// Styles as object usage
const styles = {
  background: rgbToColorString({ red: 255, green: 205, blue: 100 }),
  background: rgbToColorString({ red: 255, green: 205, blue: 100, alpha: 0.72 }),
}

// styled-components usage
const div = styled.div`
  background: ${rgbToColorString({ red: 255, green: 205, blue: 100 })};
  background: ${rgbToColorString({ red: 255, green: 205, blue: 100, alpha: 0.72 })};
`

// CSS in JS Output
element {
  background: "#ffcd64";
  background: "rgba(255,205,100,0.72)";
}