code: function getColor (obj) {
    var color = this.theme.types.color
    if (obj.isEnumType && !this.theme.enums.hide) {
      color = this.theme.enums.color
    } else if (obj.isInputType && !this.theme.inputs.hide) {
      color = this.theme.inputs.color
    } else if (obj.isInterfaceType && !this.theme.interfaces.hide) {
      color = this.theme.interfaces.color
    } else if (obj.isUnionType && !this.theme.unions.hide) {
      color = this.theme.unions.color
    }
    return color
  }
docs: get the color for the given field