Your bikes prove that perhaps nobody nailed the two-tone theme better than Merckx and his designer.
My 58cm Century handles pretty quick for a "century" bike (a hint is in how the stem's angle points downward relative to the toptube).
It does know how to dance to the tune of fast riding.
I'll be soon trying a 1 or 1.5cm-longer stem with ~2cm wider bars, to calm it a bit.
It seems snappier, if less supple, than my identically-fitted Holdsworth Special.
It's paint is a mere solid blue, but with an extra-nice, white downtube panel: