that the design is more important then the color.
however i would be SHOCKED if they go back to an electric blue and canary yellow scheme. it screams 1970s. no modern football team has such a concept that i can think of. I think the closest thing would be cal or wv both of which utilize a much darker (almost black) shade of blue.
similarly, if they go blue and white, iy almost certainly wont have a retro feel. sorry old timers but thats not what a new generation of fans want to buy.
while im looking forward to the change, i think its almost guaranteed that half of the fans will hate it no mater what they choose.