My friend has a mk3 K reg radiant red rs1800 and a mk3.5 N reg Diamond white rs1800. So definately made them in both formats!!
He also has a 90 frst 1.8zvh in rad red and a 1994 Si 2.1 zetec turbo in imperial blue. He still prefers his rad red frst 1.8zvh out of them all!!