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Convert rgb to hex

/ Published in: PHP
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Convert rgb color detected by jQuery into hex value.

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  1. function rgb2hex(rgb) {
  2.  //convert rgb value to hex
  3.  rgb = rgb.match(/^rgba?\((\d+),\s*(\d+),\s*(\d+)(?:,\s*(\d+))?\)$/);
  4.  function hex(x) {
  5.   return ("0" + parseInt(x).toString(16)).slice(-2);
  6.  }
  7.  return "#" + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
  8. }
  9.  
  10. //example get background color with jQuery
  11. var bgcolor=rgb2hex($('body').css('background-color'));

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