Westone does colored molds: Westone Laboratories - Earmolds and More...
Perfect Seal have colored molds (no website available for them yet)
You can usually request colored molds at an audiology office when you get your earmold impressions made.

got blue till stopped at my age 25 yrs old I think then back normal white clear blah! lol .. I have green/yellow earmolds for swimming
now I cant find it oh well
I aint go died cause I am not allow to get water in my ears casue it can get infection in my ears but havent got infection since my age 18 yrs old 
Westone does colored molds: Westone Laboratories - Earmolds and More...
Perfect Seal have colored molds (no website available for them yet)
You can usually request colored molds at an audiology office when you get your earmold impressions made.