Design Trends 2014 - Mixing Metals. There was a time in interior design when you would never mix metals. It was either all silver, all gold, or all brass. Those days are over! With metals there are no more rules and actually mixed metals are very sheik! From bronze to platinum to gold mixed metals are very cool and look great in just about any decor. So, go ahead, feel free and mix away. Check out this fabulous new design trend for 2014 at