10 examples of 'javascript hex to rgb' in JavaScript

377
function hexAsRgb(hex) {
378
  return "rgb(" + [parseInt(hex.substring(1, 3), 16), parseInt(hex.substring(3, 5), 16), parseInt(hex.substring(5, 7), 16)] + ")";
379
}

153
function rgb_to_hex(r, g, b) {
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	r = Math.round(r * 255).toString(16);
155
	g = Math.round(g * 255).toString(16);
156
	b = Math.round(b * 255).toString(16);
157
	return '#' + pad(r) + pad(g) + pad(b);
158
}

139
function rgb2hex(rgb) {
140
    return (rgb[0] * 255 << 16) + (rgb[1] * 255 << 8) + (rgb[2] * 255 | 0);
141
}

63
function rgb2hex(rgb) {
64
    return ((rgb[0]*255 << 16) + (rgb[1]*255 << 8) + rgb[2]*255);
65
};

37
function rgb2hex(rgb) { //http://stackoverflow.com/a/3971432/3809029
38
  rgb = rgb.match(/^rgba?\((\d+),\s*(\d+),\s*(\d+)(?:,\s*(\d+))?\)$/);
39
40
  function hex(x) {
41
      return ('0' + parseInt(x).toString(16)).slice(-2);
42
  }
43
44
  return '#' + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
45
}

204
function rgb2hex(rgb) {
205
    // jsfiddle /Mottie/xcqpF/1/light/
206
    rgb = rgb.match(/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i);
207
    return (rgb && rgb.length === 4) ? "#" +
208
        ("0" + parseInt(rgb[1], 10).toString(16)).slice(-2) +
209
        ("0" + parseInt(rgb[2], 10).toString(16)).slice(-2) +
210
        ("0" + parseInt(rgb[3], 10).toString(16)).slice(-2) : '';
211
}

282
export function hexToRgb(hexColor: string) {
283
  const rgb = parseInt(hexColor.substring(1), 16);
284
  const r = (rgb >> 16) & 0xff;
285
  const g = (rgb >> 8) & 0xff;
286
  const b = (rgb >> 0) & 0xff;
287
  return [r, g, b];
288
}

887
function rgb2hex(r, g, b) {
888
    return int2hex(r * 65536 + g * 256 + b);
889
    //return int2hex(r + g * 256 + b * 65536);
890
}

60
export function hexToRgb(hex: string): Rgba {
61
  // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
62
  const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
63
  hex = hex.replace(shorthandRegex, (m, r, g, b) => {
64
    return r + r + g + g + b + b;
65
  });
66
67
  const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
68
  return result ? new Rgba(
69
    parseInt(result[1], 16),
70
    parseInt(result[2], 16),
71
    parseInt(result[3], 16)) : null;
72
}

128
function hexToRgb (hex) {
129
    	
130
    	if(hex == undefined){
131
    		return "";
132
    	}
133
134
    	var valueWithoutSymbol = hex.slice(1, hex.length);
135
    	var bigint = parseInt(valueWithoutSymbol, 16);
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	    var r = (bigint >> 16) & 255;
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	    var g = (bigint >> 8) & 255;
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	    var b = bigint & 255;
139
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    	return "rgb(" + r + ", " + g + ", " + b + ")";
141
    }