docs(demos): update colors for API demos

scripts/demos/variables.scss

@@ -25,11 +25,13 @@ $font-path: "../../fonts";
 // The "primary" color is the only required color in the map.
 
 $colors: (
-  primary:    #327eff,
+  primary:    #387ef5,
   secondary:  #32db64,
   danger:     #f53d3d,
   light:      #f4f4f4,
   dark:       #222,
+  vibrant:    rebeccapurple,
+  bright:     #ffc125
 );