code: function saturate(amount: number | string, color: string): string {
    if (color === 'transparent') return color
    const hslColor = parseToHsl(color)
    return toColorString({
      ...hslColor,
      saturation: guard(0, 1, hslColor.saturation + parseFloat(amount)),
    })
  }
docs: Increases the intensity of a color. Its range is between 0 to 1. The first
  argument of the saturate function is the amount by how much the color
  intensity should be increased.
  
  @example
  // Styles as object usage
  const styles = {
  background: saturate(0.2, '#CCCD64'),
  background: saturate('0.2', 'rgba(204,205,100,0.7)'),
  }
  
  // styled-components usage
  const div = styled.div`
  background: ${saturate(0.2, '#FFCD64')};
  background: ${saturate('0.2', 'rgba(204,205,100,0.7)')};
  `
  
  // CSS in JS Output
  
  element {
  background: "#e0e250";
  background: "rgba(224,226,80,0.7)";
  }