You don't need a uniform color: We used a mixture of brick red, browns and grays, and then threw in seashells, branches and various types of rock, so our walls ended up looking like cave paintings! ↗
In fact, I really didn't get enthused about his Secretary of State race until I attended a couple of his rallies and found out there were a bunch of young folks that there were a bunch of young folks that he had been able to recruit on his own. ↗