The Colours used in the Flat UI Bootstrap theme pulled out into an easy to copy-paste gist

Flat UI Colours

// == Flat UI Colors
// == Credit: https://github.com/designmodo/Flat-UI
 
$turquoise:                 #1abc9c;
$green-sea:                 #16a085;
 
$emerald:                   #2ecc71;
$nephritis:                 #27ae60;
 
$peter-river:               #3498db;
$belize-hole:               #2980b9;
 
$amethyst:                  #9b59b6;
$wisteria:                  #8e44ad;
 
$wet-asphalt:               #34495e;
$midnight-blue:             #2c3e50;
 
$sun-flower:                #f1c40f;
$orange:                    #f39c12;
 
$carrot:                    #e67e22;
$pumpkin:                   #d35400;
 
$alizarin:                  #e74c3c;
$pomegranate:               #c0392b;
 
$clouds:                    #ecf0f1;
$silver:                    #bdc3c7;
 
$concrete:                  #95a5a6;
$asbestos:                  #7f8c8d;
 
// Grays
$gray:                      $concrete;
$gray-light:                $silver;
$inverse:                   white;
 
// Brand colors
$brand-primary:             $wet-asphalt;
$brand-secondary:           $turquoise;
$brand-success:             $emerald;
$brand-warning:             $sun-flower;
$brand-danger:              $alizarin;
$brand-info:                $peter-river;