Added some bw colors.

Author: stas

sass/_settings.scss

@@ -1,6 +1,24 @@
 // Required global settings and mixins for Foundation
 @import "foundation/foundation-global";
 
+// Standard grays (slightly tinted)
+// bw(i) = bw(i-1) - 10% B + 2% S
+
+$bw_10:                     #f5f6f7; // almost white
+$bw_9d5:                    #e5e6e7;
+$bw_9:                      #d7dbde;
+$bw_8:                      #bbbfc4;
+$bw_7:                      #9fa5ab;
+$bw_6:                      #848b91;
+$bw_5:                      #6b7178;
+$bw_4:                      #52585e;
+$bw_3d5:                    #4b4d50;
+$bw_3:                      #3b4045;
+$bw_2:                      #24282b;
+$bw_1:                      #0e1012; // almost black
+
+$white: #fff;
+
 // Settings file to override Foundation variables
 
 // You can find the variables for each component at the bottom of their