Tests if a given string matches a valid color format

isValidColor.js

/**
 * isValidColor
 * Tests whether a given color is in a valid format when used for CSS/form validation.
 * Mostly written by copying colors and regexes (because of laziness, and it's been
 * written n-times before).
 *
 * @author Matthew
 * @copyright MIT 2019+
 */
var isValidColor = function(color) {
  // Nicknamess taken from https://github.com/ChromeDevTools/devtools-frontend/blob/master/front_end/common/Color.js
  // Specifics taken from https://www.regextester.com/97509
	var nicks = [
		'aliceblue',
		'antiquewhite',
		'aqua',
		'aquamarine',
		'azure',
		'beige',
		'bisque',
		'black',
		'blanchedalmond',
		'blue',
		'blueviolet',
		'brown',
		'burlywood',
		'cadetblue',
		'chartreuse',
		'chocolate',
		'coral',
		'cornflowerblue',
		'cornsilk',
		'crimson',
		'cyan',
		'darkblue',
		'darkcyan',
		'darkgoldenrod',
		'darkgray',
		'darkgrey',
		'darkgreen',
		'darkkhaki',
		'darkmagenta',
		'darkolivegreen',
		'darkorange',
		'darkorchid',
		'darkred',
		'darksalmon',
		'darkseagreen',
		'darkslateblue',
		'darkslategray',
		'darkslategrey',
		'darkturquoise',
		'darkviolet',
		'deeppink',
		'deepskyblue',
		'dimgray',
		'dimgrey',
		'dodgerblue',
		'firebrick',
		'floralwhite',
		'forestgreen',
		'fuchsia',
		'gainsboro',
		'ghostwhite',
		'gold',
		'goldenrod',
		'gray',
		'grey',
		'green',
		'greenyellow',
		'honeydew',
		'hotpink',
		'indianred',
		'indigo',
		'ivory',
		'khaki',
		'lavender',
		'lavenderblush',
		'lawngreen',
		'lemonchiffon',
		'lightblue',
		'lightcoral',
		'lightcyan',
		'lightgoldenrodyellow',
		'lightgreen',
		'lightgray',
		'lightgrey',
		'lightpink',
		'lightsalmon',
		'lightseagreen',
		'lightskyblue',
		'lightslategray',
		'lightslategrey',
		'lightsteelblue',
		'lightyellow',
		'lime',
		'limegreen',
		'linen',
		'magenta',
		'maroon',
		'mediumaquamarine',
		'mediumblue',
		'mediumorchid',
		'mediumpurple',
		'mediumseagreen',
		'mediumslateblue',
		'mediumspringgreen',
		'mediumturquoise',
		'mediumvioletred',
		'midnightblue',
		'mintcream',
		'mistyrose',
		'moccasin',
		'navajowhite',
		'navy',
		'oldlace',
		'olive',
		'olivedrab',
		'orange',
		'orangered',
		'orchid',
		'palegoldenrod',
		'palegreen',
		'paleturquoise',
		'palevioletred',
		'papayawhip',
		'peachpuff',
		'peru',
		'pink',
		'plum',
		'powderblue',
		'purple',
		'rebeccapurple',
		'red',
		'rosybrown',
		'royalblue',
		'saddlebrown',
		'salmon',
		'sandybrown',
		'seagreen',
		'seashell',
		'sienna',
		'silver',
		'skyblue',
		'slateblue',
		'slategray',
		'slategrey',
		'snow',
		'springgreen',
		'steelblue',
		'tan',
		'teal',
		'thistle',
		'tomato',
		'turquoise',
		'violet',
		'wheat',
		'white',
		'whitesmoke',
		'yellow',
		'yellowgreen',
		'transparent'
	];
	var specs = /^(#([\da-f]{3}){1,2}|(rgb|hsl)a\((\d{1,3}%?,\s?){3}(1|0?\.\d+)\)|(rgb|hsl)\(\d{1,3}%?(,\s?\d{1,3}%?){2}\))$/ig;
	return nicks.indexOf(color) > -1 || (color !== undefined && color !== null && typeof(color) === 'string' && color.match(specs) !== null); 
}