Changed and retained positions
Colemak keeps Q, W, A, Z, X, C and V in familiar positions while relocating many frequent letters. Compare against QWERTY to highlight every changed position rather than judging only the home row.
Colemak and Colemak-DH
Colemak-DH moves additional keys, including D and H, and has variants for row-staggered and aligned keyboards. Select that reference separately when your installed arrangement is Mod-DH.