By Katie Holdefehr White cabinets are out, colorful kitchens are in, quartz is the new granite, waterfall countertops are trending, open shelving is officially over—kitchen design trends change more quickly than even the most devoted home renovator can keep up with. So to create a kitchen style that's worth the investment (and won't look dated in a few years), our best bet is to blend modern taste with timeless kitchen trends that will never go out of style.