colorEmphasis = (color, emphasis) => {
  switch (emphasis) {
    case 'high':
      return color
    case 'medium':
      return generateAlphas(color)[700]
    case 'low':
      return generateAlphas(color)[500]
    case 'lowest':
      return generateAlphas(color)[300]
    default:
  }
}
@description Creates emphasis color values for color.
@param {String} color
@param {String} emphasis
@returns {Object} Color alpha hue