Normally the HHKB 6 key set is split pearl/pebble. If I am trying to make a dark gray/blue keyset, and order a keyboard with HHKB layout and a dark gray keyset, plus extra blue keys, what color(s) will the HHKB keys be? All dark gray? Or all blue? Can I choose one single color? Can they be split colors, i.e. with “| \” a different color than the other keys?