When I see a cyclist from my truck in daylight the first thing I notice is movement, then the head, shoulders and torso. How these are positioned and/or moving tells me bike or ped. The bike, and particularly the color of the bike, is the last thing I notice. Of course if the cyclist is running with lights then that's the first thing I notice. Usually I don't notice the color of the bike until I'm passing. If the bike is crossing in front of me I still notice movement first, then the head, body and position before anything else.
The wife tells me pretty much the same thing and likes me to wear white, bright yellow or orange from the waist up. Which is how I got the FFO (family financial officer) to okay the Roadrunner and Here Comes the Sun Primal Wear jerseys.