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!
-- Randy Bachman
   
Randy Bachman   Name:
Randy Bachman
Type:
Musician
Nationality:
Canadian
Birth:
September 27, 1943
https://www.nutquote.com/quote/Randy_Bachman