Most people will tell you it's different for each body of water, so you need to try all you can till you find a hot colour...some of the old standards are Perch colours, chartreuse, and glow baits in a variety of colours....I fish the Bay of Quinte and each differnt bait shop I go to tells me a different thing...Oranges? Greens? Reds?...buy what you can and narrow it down from there..perch is usually a cant fail