All the colors from flatuicolors.com put into variables with RGBA default and HEX fallback.

_flatuicolors.scss

//////////////////////////////////////////////////////
//  All colors courtesy of http://flatuicolors.com/ //
//  Colors can be seen at that url too :)           //
//  Order goes: Light color first, darker second    //
//////////////////////////////////////////////////////

// Green-Blue
  $turquoise: #1abc9c rgba(26, 188, 156,1.0);
  $green-sea: #16a085 rgba(22, 160, 133,1.0);
// Green
  $emerald: #2ecc71 rgba(46, 204, 113,1.0);
  $nephritis: #27ae60 rgba(39, 174, 96,1.0);
// Blue
  $peter-river: #3498db rgba(52, 152, 219,1.0);
  $belize-hole: #2980b9 rgba(41, 128, 185,1.0);
// Purple
  $amethyst: #9b59b6 rgba(155, 89, 182,1.0);
  $wisteria: #8e44ad rgba(142, 68, 173,1.0);
// Dark Grey
  $wet-asphalt: #34495e rgba(52, 73, 94,1.0);
  $midnight-blue: #2c3e50 rgba(44, 62, 80,1.0);
// Yellow
  $sun-flower: #f1c40f rgba(241, 196, 15,1.0);
  $orange: #f39c12 rgba(243, 156, 18,1.0);
// Orange
  $carrot: #e67e22 rgba(230, 126, 34,1.0);
  $pumpkin: #d35400 rgba(211, 84, 0,1.0);
// Red
  $alizarin: #e74c3c rgba(231, 76, 60,1.0);
  $pomegranate: #c0392b rgba(192, 57, 43,1.0);
// Light Grey
  $clouds: #ecf0f1 rgba(236, 240, 241,1.0);
  $silver: #bdc3c7 rgba(189, 195, 199,1.0);
// Medium Grey
  $concrete: #95a5a6 rgba(149, 165, 166,1.0);
  $asbestos: #7f8c8d rgba(127, 140, 141,1.0);

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