The answer to the question: HELL to the no.
My shorts and jerseys are all LG, just because they all happened to be on sale at Nashbar when I got them (all ordered at different times). I got the LG jerseys because I saw someone else wearing one, and it was what I was looking for - high vis, solid color, no graphics or anything other than a small reflective LG logo.
Shoes are Bontrager because it's what the LBS had when I bought my bike, that I could also afford. Helmet is Specialized because that's what I got from the LBS years ago. Gloves are also Bontrager because my preferred LBS is a big Trek/Bontrager dealer.
Shorts are black, jerseys are high-vis yellow or orange, helmet is red/white, gloves are black/green, shoes are black. Bike is black with red/white accents. As you can see I could care less about matching.
Having said that, though, I would love to get the Giro Aeon helmet in black with the red/white accents that would go perfectly with the bike.