Yeah I have to admit I'm one of those that colour coordinate and OD on it a little
For cross country I have a purple pad, purple polo shirt, purple leg boots, white jods and black boots and gaitors with a black helmet and black tack.
I compete in Pony Club so it's mostly my PC colour that I get to wear but there's the occasional open show I do.
My club colours next year are going to be hunter green and gold. Gold shirt and green pad and I'll end up with green and gold boots to match.
Open shows I'm getting a purple and gold brow band made and I'll have a purple stock tie with a white saddle pad with gold binding.
All his rugs, halters lead ropes, buckets, you name it. It's purple.